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How to Write a Literature Review | Guide, Examples, & Templates

Published on January 2, 2023 by Shona McCombes . Revised on September 11, 2023.

What is a literature review? A literature review is a survey of scholarly sources on a specific topic. It provides an overview of current knowledge, allowing you to identify relevant theories, methods, and gaps in the existing research that you can later apply to your paper, thesis, or dissertation topic .

There are five key steps to writing a literature review:

• Search for relevant literature
• Evaluate sources
• Identify themes, debates, and gaps
• Outline the structure
• Write your literature review

A good literature review doesn’t just summarize sources—it analyzes, synthesizes , and critically evaluates to give a clear picture of the state of knowledge on the subject.

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Table of contents

What is the purpose of a literature review, examples of literature reviews, step 1 – search for relevant literature, step 2 – evaluate and select sources, step 3 – identify themes, debates, and gaps, step 4 – outline your literature review’s structure, step 5 – write your literature review, free lecture slides, other interesting articles, frequently asked questions, introduction.

• Quick Run-through
• Step 1 & 2

When you write a thesis , dissertation , or research paper , you will likely have to conduct a literature review to situate your research within existing knowledge. The literature review gives you a chance to:

• Demonstrate your familiarity with the topic and its scholarly context
• Develop a theoretical framework and methodology for your research
• Position your work in relation to other researchers and theorists
• Show how your research addresses a gap or contributes to a debate
• Evaluate the current state of research and demonstrate your knowledge of the scholarly debates around your topic.

Writing literature reviews is a particularly important skill if you want to apply for graduate school or pursue a career in research. We’ve written a step-by-step guide that you can follow below.

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See an example

Writing literature reviews can be quite challenging! A good starting point could be to look at some examples, depending on what kind of literature review you’d like to write.

• Example literature review #1: “Why Do People Migrate? A Review of the Theoretical Literature” ( Theoretical literature review about the development of economic migration theory from the 1950s to today.)
• Example literature review #2: “Literature review as a research methodology: An overview and guidelines” ( Methodological literature review about interdisciplinary knowledge acquisition and production.)
• Example literature review #3: “The Use of Technology in English Language Learning: A Literature Review” ( Thematic literature review about the effects of technology on language acquisition.)
• Example literature review #4: “Learners’ Listening Comprehension Difficulties in English Language Learning: A Literature Review” ( Chronological literature review about how the concept of listening skills has changed over time.)

You can also check out our templates with literature review examples and sample outlines at the links below.

Download Word doc Download Google doc

Before you begin searching for literature, you need a clearly defined topic .

If you are writing the literature review section of a dissertation or research paper, you will search for literature related to your research problem and questions .

Make a list of keywords

Start by creating a list of keywords related to your research question. Include each of the key concepts or variables you’re interested in, and list any synonyms and related terms. You can add to this list as you discover new keywords in the process of your literature search.

• Social media, Facebook, Instagram, Twitter, Snapchat, TikTok
• Body image, self-perception, self-esteem, mental health
• Generation Z, teenagers, adolescents, youth

Search for relevant sources

Use your keywords to begin searching for sources. Some useful databases to search for journals and articles include:

• Your university’s library catalogue
• Google Scholar
• Project Muse (humanities and social sciences)
• Medline (life sciences and biomedicine)
• EconLit (economics)
• Inspec (physics, engineering and computer science)

You can also use boolean operators to help narrow down your search.

Make sure to read the abstract to find out whether an article is relevant to your question. When you find a useful book or article, you can check the bibliography to find other relevant sources.

You likely won’t be able to read absolutely everything that has been written on your topic, so it will be necessary to evaluate which sources are most relevant to your research question.

For each publication, ask yourself:

• What question or problem is the author addressing?
• What are the key concepts and how are they defined?
• What are the key theories, models, and methods?
• Does the research use established frameworks or take an innovative approach?
• What are the results and conclusions of the study?
• How does the publication relate to other literature in the field? Does it confirm, add to, or challenge established knowledge?
• What are the strengths and weaknesses of the research?

Make sure the sources you use are credible , and make sure you read any landmark studies and major theories in your field of research.

You can use our template to summarize and evaluate sources you’re thinking about using. Click on either button below to download.

Take notes and cite your sources

As you read, you should also begin the writing process. Take notes that you can later incorporate into the text of your literature review.

It is important to keep track of your sources with citations to avoid plagiarism . It can be helpful to make an annotated bibliography , where you compile full citation information and write a paragraph of summary and analysis for each source. This helps you remember what you read and saves time later in the process.

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To begin organizing your literature review’s argument and structure, be sure you understand the connections and relationships between the sources you’ve read. Based on your reading and notes, you can look for:

• Trends and patterns (in theory, method or results): do certain approaches become more or less popular over time?
• Themes: what questions or concepts recur across the literature?
• Debates, conflicts and contradictions: where do sources disagree?
• Pivotal publications: are there any influential theories or studies that changed the direction of the field?
• Gaps: what is missing from the literature? Are there weaknesses that need to be addressed?

This step will help you work out the structure of your literature review and (if applicable) show how your own research will contribute to existing knowledge.

• Most research has focused on young women.
• There is an increasing interest in the visual aspects of social media.
• But there is still a lack of robust research on highly visual platforms like Instagram and Snapchat—this is a gap that you could address in your own research.

There are various approaches to organizing the body of a literature review. Depending on the length of your literature review, you can combine several of these strategies (for example, your overall structure might be thematic, but each theme is discussed chronologically).

Chronological

The simplest approach is to trace the development of the topic over time. However, if you choose this strategy, be careful to avoid simply listing and summarizing sources in order.

Try to analyze patterns, turning points and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred.

If you have found some recurring central themes, you can organize your literature review into subsections that address different aspects of the topic.

For example, if you are reviewing literature about inequalities in migrant health outcomes, key themes might include healthcare policy, language barriers, cultural attitudes, legal status, and economic access.

Methodological

If you draw your sources from different disciplines or fields that use a variety of research methods , you might want to compare the results and conclusions that emerge from different approaches. For example:

• Look at what results have emerged in qualitative versus quantitative research
• Discuss how the topic has been approached by empirical versus theoretical scholarship
• Divide the literature into sociological, historical, and cultural sources

Theoretical

A literature review is often the foundation for a theoretical framework . You can use it to discuss various theories, models, and definitions of key concepts.

You might argue for the relevance of a specific theoretical approach, or combine various theoretical concepts to create a framework for your research.

Like any other academic text , your literature review should have an introduction , a main body, and a conclusion . What you include in each depends on the objective of your literature review.

The introduction should clearly establish the focus and purpose of the literature review.

Depending on the length of your literature review, you might want to divide the body into subsections. You can use a subheading for each theme, time period, or methodological approach.

As you write, you can follow these tips:

• Summarize and synthesize: give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: don’t just paraphrase other researchers — add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically evaluate: mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: use transition words and topic sentences to draw connections, comparisons and contrasts

In the conclusion, you should summarize the key findings you have taken from the literature and emphasize their significance.

When you’ve finished writing and revising your literature review, don’t forget to proofread thoroughly before submitting. Not a language expert? Check out Scribbr’s professional proofreading services !

This article has been adapted into lecture slides that you can use to teach your students about writing a literature review.

Scribbr slides are free to use, customize, and distribute for educational purposes.

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If you want to know more about the research process , methodology , research bias , or statistics , make sure to check out some of our other articles with explanations and examples.

• Sampling methods
• Simple random sampling
• Stratified sampling
• Cluster sampling
• Likert scales
• Reproducibility

 Statistics

• Null hypothesis
• Statistical power
• Probability distribution
• Effect size
• Poisson distribution

Research bias

• Optimism bias
• Cognitive bias
• Implicit bias
• Hawthorne effect
• Anchoring bias
• Explicit bias

A literature review is a survey of scholarly sources (such as books, journal articles, and theses) related to a specific topic or research question .

It is often written as part of a thesis, dissertation , or research paper , in order to situate your work in relation to existing knowledge.

There are several reasons to conduct a literature review at the beginning of a research project:

• To familiarize yourself with the current state of knowledge on your topic
• To ensure that you’re not just repeating what others have already done
• To identify gaps in knowledge and unresolved problems that your research can address
• To develop your theoretical framework and methodology
• To provide an overview of the key findings and debates on the topic

Writing the literature review shows your reader how your work relates to existing research and what new insights it will contribute.

The literature review usually comes near the beginning of your thesis or dissertation . After the introduction , it grounds your research in a scholarly field and leads directly to your theoretical framework or methodology .

A literature review is a survey of credible sources on a topic, often used in dissertations , theses, and research papers . Literature reviews give an overview of knowledge on a subject, helping you identify relevant theories and methods, as well as gaps in existing research. Literature reviews are set up similarly to other  academic texts , with an introduction , a main body, and a conclusion .

An  annotated bibliography is a list of  source references that has a short description (called an annotation ) for each of the sources. It is often assigned as part of the research process for a  paper .  

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What is a Literature Review? How to Write It (with Examples)

A literature review is a critical analysis and synthesis of existing research on a particular topic. It provides an overview of the current state of knowledge, identifies gaps, and highlights key findings in the literature. 1 The purpose of a literature review is to situate your own research within the context of existing scholarship, demonstrating your understanding of the topic and showing how your work contributes to the ongoing conversation in the field. Learning how to write a literature review is a critical tool for successful research. Your ability to summarize and synthesize prior research pertaining to a certain topic demonstrates your grasp on the topic of study, and assists in the learning process. 

Table of Contents

• What is the purpose of literature review? 
• a. Habitat Loss and Species Extinction: 
• b. Range Shifts and Phenological Changes: 
• c. Ocean Acidification and Coral Reefs: 
• d. Adaptive Strategies and Conservation Efforts: 

How to write a good literature review 

• Choose a Topic and Define the Research Question: 
• Decide on the Scope of Your Review: 
• Select Databases for Searches: 
• Conduct Searches and Keep Track: 
• Review the Literature: 
• Organize and Write Your Literature Review: 
• How to write a literature review faster with Paperpal? 
• Frequently asked questions 

What is a literature review?

A well-conducted literature review demonstrates the researcher’s familiarity with the existing literature, establishes the context for their own research, and contributes to scholarly conversations on the topic. One of the purposes of a literature review is also to help researchers avoid duplicating previous work and ensure that their research is informed by and builds upon the existing body of knowledge.

What is the purpose of literature review?

A literature review serves several important purposes within academic and research contexts. Here are some key objectives and functions of a literature review: 2  

1. Contextualizing the Research Problem: The literature review provides a background and context for the research problem under investigation. It helps to situate the study within the existing body of knowledge. 

2. Identifying Gaps in Knowledge: By identifying gaps, contradictions, or areas requiring further research, the researcher can shape the research question and justify the significance of the study. This is crucial for ensuring that the new research contributes something novel to the field. 

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3. Understanding Theoretical and Conceptual Frameworks: Literature reviews help researchers gain an understanding of the theoretical and conceptual frameworks used in previous studies. This aids in the development of a theoretical framework for the current research. 

4. Providing Methodological Insights: Another purpose of literature reviews is that it allows researchers to learn about the methodologies employed in previous studies. This can help in choosing appropriate research methods for the current study and avoiding pitfalls that others may have encountered. 

5. Establishing Credibility: A well-conducted literature review demonstrates the researcher’s familiarity with existing scholarship, establishing their credibility and expertise in the field. It also helps in building a solid foundation for the new research. 

6. Informing Hypotheses or Research Questions: The literature review guides the formulation of hypotheses or research questions by highlighting relevant findings and areas of uncertainty in existing literature. 

Literature review example

Let’s delve deeper with a literature review example: Let’s say your literature review is about the impact of climate change on biodiversity. You might format your literature review into sections such as the effects of climate change on habitat loss and species extinction, phenological changes, and marine biodiversity. Each section would then summarize and analyze relevant studies in those areas, highlighting key findings and identifying gaps in the research. The review would conclude by emphasizing the need for further research on specific aspects of the relationship between climate change and biodiversity. The following literature review template provides a glimpse into the recommended literature review structure and content, demonstrating how research findings are organized around specific themes within a broader topic. 

Literature Review on Climate Change Impacts on Biodiversity:

Climate change is a global phenomenon with far-reaching consequences, including significant impacts on biodiversity. This literature review synthesizes key findings from various studies: 

a. Habitat Loss and Species Extinction:

Climate change-induced alterations in temperature and precipitation patterns contribute to habitat loss, affecting numerous species (Thomas et al., 2004). The review discusses how these changes increase the risk of extinction, particularly for species with specific habitat requirements. 

b. Range Shifts and Phenological Changes:

Observations of range shifts and changes in the timing of biological events (phenology) are documented in response to changing climatic conditions (Parmesan & Yohe, 2003). These shifts affect ecosystems and may lead to mismatches between species and their resources. 

c. Ocean Acidification and Coral Reefs:

The review explores the impact of climate change on marine biodiversity, emphasizing ocean acidification’s threat to coral reefs (Hoegh-Guldberg et al., 2007). Changes in pH levels negatively affect coral calcification, disrupting the delicate balance of marine ecosystems. 

d. Adaptive Strategies and Conservation Efforts:

Recognizing the urgency of the situation, the literature review discusses various adaptive strategies adopted by species and conservation efforts aimed at mitigating the impacts of climate change on biodiversity (Hannah et al., 2007). It emphasizes the importance of interdisciplinary approaches for effective conservation planning. 

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Writing a literature review involves summarizing and synthesizing existing research on a particular topic. A good literature review format should include the following elements. 

Introduction: The introduction sets the stage for your literature review, providing context and introducing the main focus of your review. 

• Opening Statement: Begin with a general statement about the broader topic and its significance in the field. 
• Scope and Purpose: Clearly define the scope of your literature review. Explain the specific research question or objective you aim to address. 
• Organizational Framework: Briefly outline the structure of your literature review, indicating how you will categorize and discuss the existing research. 
• Significance of the Study: Highlight why your literature review is important and how it contributes to the understanding of the chosen topic. 
• Thesis Statement: Conclude the introduction with a concise thesis statement that outlines the main argument or perspective you will develop in the body of the literature review. 

Body: The body of the literature review is where you provide a comprehensive analysis of existing literature, grouping studies based on themes, methodologies, or other relevant criteria. 

• Organize by Theme or Concept: Group studies that share common themes, concepts, or methodologies. Discuss each theme or concept in detail, summarizing key findings and identifying gaps or areas of disagreement. 
• Critical Analysis: Evaluate the strengths and weaknesses of each study. Discuss the methodologies used, the quality of evidence, and the overall contribution of each work to the understanding of the topic. 
• Synthesis of Findings: Synthesize the information from different studies to highlight trends, patterns, or areas of consensus in the literature. 
• Identification of Gaps: Discuss any gaps or limitations in the existing research and explain how your review contributes to filling these gaps. 
• Transition between Sections: Provide smooth transitions between different themes or concepts to maintain the flow of your literature review. 

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Conclusion: The conclusion of your literature review should summarize the main findings, highlight the contributions of the review, and suggest avenues for future research. 

• Summary of Key Findings: Recap the main findings from the literature and restate how they contribute to your research question or objective. 
• Contributions to the Field: Discuss the overall contribution of your literature review to the existing knowledge in the field. 
• Implications and Applications: Explore the practical implications of the findings and suggest how they might impact future research or practice. 
• Recommendations for Future Research: Identify areas that require further investigation and propose potential directions for future research in the field. 
• Final Thoughts: Conclude with a final reflection on the importance of your literature review and its relevance to the broader academic community. 

Conducting a literature review

Conducting a literature review is an essential step in research that involves reviewing and analyzing existing literature on a specific topic. It’s important to know how to do a literature review effectively, so here are the steps to follow: 1  

Choose a Topic and Define the Research Question:

• Select a topic that is relevant to your field of study. 
• Clearly define your research question or objective. Determine what specific aspect of the topic do you want to explore? 

Decide on the Scope of Your Review:

• Determine the timeframe for your literature review. Are you focusing on recent developments, or do you want a historical overview? 
• Consider the geographical scope. Is your review global, or are you focusing on a specific region? 
• Define the inclusion and exclusion criteria. What types of sources will you include? Are there specific types of studies or publications you will exclude? 

Select Databases for Searches:

• Identify relevant databases for your field. Examples include PubMed, IEEE Xplore, Scopus, Web of Science, and Google Scholar. 
• Consider searching in library catalogs, institutional repositories, and specialized databases related to your topic. 

Conduct Searches and Keep Track:

• Develop a systematic search strategy using keywords, Boolean operators (AND, OR, NOT), and other search techniques. 
• Record and document your search strategy for transparency and replicability. 
• Keep track of the articles, including publication details, abstracts, and links. Use citation management tools like EndNote, Zotero, or Mendeley to organize your references. 

Review the Literature:

• Evaluate the relevance and quality of each source. Consider the methodology, sample size, and results of studies. 
• Organize the literature by themes or key concepts. Identify patterns, trends, and gaps in the existing research. 
• Summarize key findings and arguments from each source. Compare and contrast different perspectives. 
• Identify areas where there is a consensus in the literature and where there are conflicting opinions. 
• Provide critical analysis and synthesis of the literature. What are the strengths and weaknesses of existing research? 

Organize and Write Your Literature Review:

• Literature review outline should be based on themes, chronological order, or methodological approaches. 
• Write a clear and coherent narrative that synthesizes the information gathered. 
• Use proper citations for each source and ensure consistency in your citation style (APA, MLA, Chicago, etc.). 
• Conclude your literature review by summarizing key findings, identifying gaps, and suggesting areas for future research. 

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How to write a literature review faster with Paperpal?

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• Cite with Confidence: Paperpal makes it easy to incorporate relevant citations and references into your writing, ensuring your arguments are well-supported by credible sources. This translates to a polished, well-researched literature review. 

The literature review sample and detailed advice on writing and conducting a review will help you produce a well-structured report. But remember that a good literature review is an ongoing process, and it may be necessary to revisit and update it as your research progresses. By combining effortless research with an easy citation process, Paperpal Research streamlines the literature review process and empowers you to write faster and with more confidence. Try Paperpal Research now and see for yourself.  

Frequently asked questions

A literature review is a critical and comprehensive analysis of existing literature (published and unpublished works) on a specific topic or research question and provides a synthesis of the current state of knowledge in a particular field. A well-conducted literature review is crucial for researchers to build upon existing knowledge, avoid duplication of efforts, and contribute to the advancement of their field. It also helps researchers situate their work within a broader context and facilitates the development of a sound theoretical and conceptual framework for their studies.

Literature review is a crucial component of research writing, providing a solid background for a research paper’s investigation. The aim is to keep professionals up to date by providing an understanding of ongoing developments within a specific field, including research methods, and experimental techniques used in that field, and present that knowledge in the form of a written report. Also, the depth and breadth of the literature review emphasizes the credibility of the scholar in his or her field.  

Before writing a literature review, it’s essential to undertake several preparatory steps to ensure that your review is well-researched, organized, and focused. This includes choosing a topic of general interest to you and doing exploratory research on that topic, writing an annotated bibliography, and noting major points, especially those that relate to the position you have taken on the topic. 

Literature reviews and academic research papers are essential components of scholarly work but serve different purposes within the academic realm. 3 A literature review aims to provide a foundation for understanding the current state of research on a particular topic, identify gaps or controversies, and lay the groundwork for future research. Therefore, it draws heavily from existing academic sources, including books, journal articles, and other scholarly publications. In contrast, an academic research paper aims to present new knowledge, contribute to the academic discourse, and advance the understanding of a specific research question. Therefore, it involves a mix of existing literature (in the introduction and literature review sections) and original data or findings obtained through research methods. 

Literature reviews are essential components of academic and research papers, and various strategies can be employed to conduct them effectively. If you want to know how to write a literature review for a research paper, here are four common approaches that are often used by researchers.  Chronological Review: This strategy involves organizing the literature based on the chronological order of publication. It helps to trace the development of a topic over time, showing how ideas, theories, and research have evolved.  Thematic Review: Thematic reviews focus on identifying and analyzing themes or topics that cut across different studies. Instead of organizing the literature chronologically, it is grouped by key themes or concepts, allowing for a comprehensive exploration of various aspects of the topic.  Methodological Review: This strategy involves organizing the literature based on the research methods employed in different studies. It helps to highlight the strengths and weaknesses of various methodologies and allows the reader to evaluate the reliability and validity of the research findings.  Theoretical Review: A theoretical review examines the literature based on the theoretical frameworks used in different studies. This approach helps to identify the key theories that have been applied to the topic and assess their contributions to the understanding of the subject.  It’s important to note that these strategies are not mutually exclusive, and a literature review may combine elements of more than one approach. The choice of strategy depends on the research question, the nature of the literature available, and the goals of the review. Additionally, other strategies, such as integrative reviews or systematic reviews, may be employed depending on the specific requirements of the research.

The literature review format can vary depending on the specific publication guidelines. However, there are some common elements and structures that are often followed. Here is a general guideline for the format of a literature review:  Introduction:   Provide an overview of the topic.  Define the scope and purpose of the literature review.  State the research question or objective.  Body:   Organize the literature by themes, concepts, or chronology.  Critically analyze and evaluate each source.  Discuss the strengths and weaknesses of the studies.  Highlight any methodological limitations or biases.  Identify patterns, connections, or contradictions in the existing research.  Conclusion:   Summarize the key points discussed in the literature review.  Highlight the research gap.  Address the research question or objective stated in the introduction.  Highlight the contributions of the review and suggest directions for future research.

Both annotated bibliographies and literature reviews involve the examination of scholarly sources. While annotated bibliographies focus on individual sources with brief annotations, literature reviews provide a more in-depth, integrated, and comprehensive analysis of existing literature on a specific topic. The key differences are as follows: 

References 

• Denney, A. S., & Tewksbury, R. (2013). How to write a literature review.  Journal of criminal justice education ,  24 (2), 218-234. 
• Pan, M. L. (2016).  Preparing literature reviews: Qualitative and quantitative approaches . Taylor & Francis. 
• Cantero, C. (2019). How to write a literature review.  San José State University Writing Center . 

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Writing a Literature Review

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A literature review is a document or section of a document that collects key sources on a topic and discusses those sources in conversation with each other (also called synthesis ). The lit review is an important genre in many disciplines, not just literature (i.e., the study of works of literature such as novels and plays). When we say “literature review” or refer to “the literature,” we are talking about the research ( scholarship ) in a given field. You will often see the terms “the research,” “the scholarship,” and “the literature” used mostly interchangeably.

Where, when, and why would I write a lit review?

There are a number of different situations where you might write a literature review, each with slightly different expectations; different disciplines, too, have field-specific expectations for what a literature review is and does. For instance, in the humanities, authors might include more overt argumentation and interpretation of source material in their literature reviews, whereas in the sciences, authors are more likely to report study designs and results in their literature reviews; these differences reflect these disciplines’ purposes and conventions in scholarship. You should always look at examples from your own discipline and talk to professors or mentors in your field to be sure you understand your discipline’s conventions, for literature reviews as well as for any other genre.

A literature review can be a part of a research paper or scholarly article, usually falling after the introduction and before the research methods sections. In these cases, the lit review just needs to cover scholarship that is important to the issue you are writing about; sometimes it will also cover key sources that informed your research methodology.

Lit reviews can also be standalone pieces, either as assignments in a class or as publications. In a class, a lit review may be assigned to help students familiarize themselves with a topic and with scholarship in their field, get an idea of the other researchers working on the topic they’re interested in, find gaps in existing research in order to propose new projects, and/or develop a theoretical framework and methodology for later research. As a publication, a lit review usually is meant to help make other scholars’ lives easier by collecting and summarizing, synthesizing, and analyzing existing research on a topic. This can be especially helpful for students or scholars getting into a new research area, or for directing an entire community of scholars toward questions that have not yet been answered.

What are the parts of a lit review?

Most lit reviews use a basic introduction-body-conclusion structure; if your lit review is part of a larger paper, the introduction and conclusion pieces may be just a few sentences while you focus most of your attention on the body. If your lit review is a standalone piece, the introduction and conclusion take up more space and give you a place to discuss your goals, research methods, and conclusions separately from where you discuss the literature itself.

Introduction:

• An introductory paragraph that explains what your working topic and thesis is
• A forecast of key topics or texts that will appear in the review
• Potentially, a description of how you found sources and how you analyzed them for inclusion and discussion in the review (more often found in published, standalone literature reviews than in lit review sections in an article or research paper)
• Summarize and synthesize: Give an overview of the main points of each source and combine them into a coherent whole
• Analyze and interpret: Don’t just paraphrase other researchers – add your own interpretations where possible, discussing the significance of findings in relation to the literature as a whole
• Critically Evaluate: Mention the strengths and weaknesses of your sources
• Write in well-structured paragraphs: Use transition words and topic sentence to draw connections, comparisons, and contrasts.

Conclusion:

• Summarize the key findings you have taken from the literature and emphasize their significance
• Connect it back to your primary research question

How should I organize my lit review?

Lit reviews can take many different organizational patterns depending on what you are trying to accomplish with the review. Here are some examples:

• Chronological : The simplest approach is to trace the development of the topic over time, which helps familiarize the audience with the topic (for instance if you are introducing something that is not commonly known in your field). If you choose this strategy, be careful to avoid simply listing and summarizing sources in order. Try to analyze the patterns, turning points, and key debates that have shaped the direction of the field. Give your interpretation of how and why certain developments occurred (as mentioned previously, this may not be appropriate in your discipline — check with a teacher or mentor if you’re unsure).
• Thematic : If you have found some recurring central themes that you will continue working with throughout your piece, you can organize your literature review into subsections that address different aspects of the topic. For example, if you are reviewing literature about women and religion, key themes can include the role of women in churches and the religious attitude towards women.
• Qualitative versus quantitative research
• Empirical versus theoretical scholarship
• Divide the research by sociological, historical, or cultural sources
• Theoretical : In many humanities articles, the literature review is the foundation for the theoretical framework. You can use it to discuss various theories, models, and definitions of key concepts. You can argue for the relevance of a specific theoretical approach or combine various theorical concepts to create a framework for your research.

What are some strategies or tips I can use while writing my lit review?

Any lit review is only as good as the research it discusses; make sure your sources are well-chosen and your research is thorough. Don’t be afraid to do more research if you discover a new thread as you’re writing. More info on the research process is available in our "Conducting Research" resources .

As you’re doing your research, create an annotated bibliography ( see our page on the this type of document ). Much of the information used in an annotated bibliography can be used also in a literature review, so you’ll be not only partially drafting your lit review as you research, but also developing your sense of the larger conversation going on among scholars, professionals, and any other stakeholders in your topic.

Usually you will need to synthesize research rather than just summarizing it. This means drawing connections between sources to create a picture of the scholarly conversation on a topic over time. Many student writers struggle to synthesize because they feel they don’t have anything to add to the scholars they are citing; here are some strategies to help you:

• It often helps to remember that the point of these kinds of syntheses is to show your readers how you understand your research, to help them read the rest of your paper.
• Writing teachers often say synthesis is like hosting a dinner party: imagine all your sources are together in a room, discussing your topic. What are they saying to each other?
• Look at the in-text citations in each paragraph. Are you citing just one source for each paragraph? This usually indicates summary only. When you have multiple sources cited in a paragraph, you are more likely to be synthesizing them (not always, but often
• Read more about synthesis here.

The most interesting literature reviews are often written as arguments (again, as mentioned at the beginning of the page, this is discipline-specific and doesn’t work for all situations). Often, the literature review is where you can establish your research as filling a particular gap or as relevant in a particular way. You have some chance to do this in your introduction in an article, but the literature review section gives a more extended opportunity to establish the conversation in the way you would like your readers to see it. You can choose the intellectual lineage you would like to be part of and whose definitions matter most to your thinking (mostly humanities-specific, but this goes for sciences as well). In addressing these points, you argue for your place in the conversation, which tends to make the lit review more compelling than a simple reporting of other sources.

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• NOT A RESEARCH ARTICLE -- A literature review follows a different style, format, and structure from a research article.  

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How To Write A Literature Review - A Complete Guide

Table of Contents

A literature review is much more than just another section in your research paper. It forms the very foundation of your research. It is a formal piece of writing where you analyze the existing theoretical framework, principles, and assumptions and use that as a base to shape your approach to the research question.

Curating and drafting a solid literature review section not only lends more credibility to your research paper but also makes your research tighter and better focused. But, writing literature reviews is a difficult task. It requires extensive reading, plus you have to consider market trends and technological and political changes, which tend to change in the blink of an eye.

Now streamline your literature review process with the help of SciSpace Copilot. With this AI research assistant, you can efficiently synthesize and analyze a vast amount of information, identify key themes and trends, and uncover gaps in the existing research. Get real-time explanations, summaries, and answers to your questions for the paper you're reviewing, making navigating and understanding the complex literature landscape easier.

In this comprehensive guide, we will explore everything from the definition of a literature review, its appropriate length, various types of literature reviews, and how to write one.

What is a literature review?

A literature review is a collation of survey, research, critical evaluation, and assessment of the existing literature in a preferred domain.

Eminent researcher and academic Arlene Fink, in her book Conducting Research Literature Reviews , defines it as the following:

“A literature review surveys books, scholarly articles, and any other sources relevant to a particular issue, area of research, or theory, and by so doing, provides a description, summary, and critical evaluation of these works in relation to the research problem being investigated.

Literature reviews are designed to provide an overview of sources you have explored while researching a particular topic, and to demonstrate to your readers how your research fits within a larger field of study.”

Simply put, a literature review can be defined as a critical discussion of relevant pre-existing research around your research question and carving out a definitive place for your study in the existing body of knowledge. Literature reviews can be presented in multiple ways: a section of an article, the whole research paper itself, or a chapter of your thesis.

A literature review does function as a summary of sources, but it also allows you to analyze further, interpret, and examine the stated theories, methods, viewpoints, and, of course, the gaps in the existing content.

As an author, you can discuss and interpret the research question and its various aspects and debate your adopted methods to support the claim.

What is the purpose of a literature review?

A literature review is meant to help your readers understand the relevance of your research question and where it fits within the existing body of knowledge. As a researcher, you should use it to set the context, build your argument, and establish the need for your study.

What is the importance of a literature review?

The literature review is a critical part of research papers because it helps you:

• Gain an in-depth understanding of your research question and the surrounding area
• Convey that you have a thorough understanding of your research area and are up-to-date with the latest changes and advancements
• Establish how your research is connected or builds on the existing body of knowledge and how it could contribute to further research
• Elaborate on the validity and suitability of your theoretical framework and research methodology
• Identify and highlight gaps and shortcomings in the existing body of knowledge and how things need to change
• Convey to readers how your study is different or how it contributes to the research area

How long should a literature review be?

Ideally, the literature review should take up 15%-40% of the total length of your manuscript. So, if you have a 10,000-word research paper, the minimum word count could be 1500.

Your literature review format depends heavily on the kind of manuscript you are writing — an entire chapter in case of doctoral theses, a part of the introductory section in a research article, to a full-fledged review article that examines the previously published research on a topic.

Another determining factor is the type of research you are doing. The literature review section tends to be longer for secondary research projects than primary research projects.

What are the different types of literature reviews?

All literature reviews are not the same. There are a variety of possible approaches that you can take. It all depends on the type of research you are pursuing.

Here are the different types of literature reviews:

Argumentative review

It is called an argumentative review when you carefully present literature that only supports or counters a specific argument or premise to establish a viewpoint.

Integrative review

It is a type of literature review focused on building a comprehensive understanding of a topic by combining available theoretical frameworks and empirical evidence.

Methodological review

This approach delves into the ''how'' and the ''what" of the research question —  you cannot look at the outcome in isolation; you should also review the methodology used.

Systematic review

This form consists of an overview of existing evidence pertinent to a clearly formulated research question, which uses pre-specified and standardized methods to identify and critically appraise relevant research and collect, report, and analyze data from the studies included in the review.

Meta-analysis review

Meta-analysis uses statistical methods to summarize the results of independent studies. By combining information from all relevant studies, meta-analysis can provide more precise estimates of the effects than those derived from the individual studies included within a review.

Historical review

Historical literature reviews focus on examining research throughout a period, often starting with the first time an issue, concept, theory, or phenomenon emerged in the literature, then tracing its evolution within the scholarship of a discipline. The purpose is to place research in a historical context to show familiarity with state-of-the-art developments and identify future research's likely directions.

Theoretical Review

This form aims to examine the corpus of theory accumulated regarding an issue, concept, theory, and phenomenon. The theoretical literature review helps to establish what theories exist, the relationships between them, the degree the existing approaches have been investigated, and to develop new hypotheses to be tested.

Scoping Review

The Scoping Review is often used at the beginning of an article, dissertation, or research proposal. It is conducted before the research to highlight gaps in the existing body of knowledge and explains why the project should be greenlit.

State-of-the-Art Review

The State-of-the-Art review is conducted periodically, focusing on the most recent research. It describes what is currently known, understood, or agreed upon regarding the research topic and highlights where there are still disagreements.

Can you use the first person in a literature review?

When writing literature reviews, you should avoid the usage of first-person pronouns. It means that instead of "I argue that" or "we argue that," the appropriate expression would be "this research paper argues that."

Do you need an abstract for a literature review?

Ideally, yes. It is always good to have a condensed summary that is self-contained and independent of the rest of your review. As for how to draft one, you can follow the same fundamental idea when preparing an abstract for a literature review. It should also include:

• The research topic and your motivation behind selecting it
• A one-sentence thesis statement
• An explanation of the kinds of literature featured in the review
• Summary of what you've learned
• Conclusions you drew from the literature you reviewed
• Potential implications and future scope for research

Here's an example of the abstract of a literature review

Is a literature review written in the past tense?

Yes, the literature review should ideally be written in the past tense. You should not use the present or future tense when writing one. The exceptions are when you have statements describing events that happened earlier than the literature you are reviewing or events that are currently occurring; then, you can use the past perfect or present perfect tenses.

How many sources for a literature review?

There are multiple approaches to deciding how many sources to include in a literature review section. The first approach would be to look level you are at as a researcher. For instance, a doctoral thesis might need 60+ sources. In contrast, you might only need to refer to 5-15 sources at the undergraduate level.

The second approach is based on the kind of literature review you are doing — whether it is merely a chapter of your paper or if it is a self-contained paper in itself. When it is just a chapter, sources should equal the total number of pages in your article's body. In the second scenario, you need at least three times as many sources as there are pages in your work.

Quick tips on how to write a literature review

To know how to write a literature review, you must clearly understand its impact and role in establishing your work as substantive research material.

You need to follow the below-mentioned steps, to write a literature review:

• Outline the purpose behind the literature review
• Search relevant literature
• Examine and assess the relevant resources
• Discover connections by drawing deep insights from the resources
• Structure planning to write a good literature review

1. Outline and identify the purpose of  a literature review

As a first step on how to write a literature review, you must know what the research question or topic is and what shape you want your literature review to take. Ensure you understand the research topic inside out, or else seek clarifications. You must be able to the answer below questions before you start:

• How many sources do I need to include?
• What kind of sources should I analyze?
• How much should I critically evaluate each source?
• Should I summarize, synthesize or offer a critique of the sources?
• Do I need to include any background information or definitions?

Additionally, you should know that the narrower your research topic is, the swifter it will be for you to restrict the number of sources to be analyzed.

2. Search relevant literature

Dig deeper into search engines to discover what has already been published around your chosen topic. Make sure you thoroughly go through appropriate reference sources like books, reports, journal articles, government docs, and web-based resources.

You must prepare a list of keywords and their different variations. You can start your search from any library’s catalog, provided you are an active member of that institution. The exact keywords can be extended to widen your research over other databases and academic search engines like:

• Google Scholar
• Microsoft Academic
• Science.gov

Besides, it is not advisable to go through every resource word by word. Alternatively, what you can do is you can start by reading the abstract and then decide whether that source is relevant to your research or not.

Additionally, you must spend surplus time assessing the quality and relevance of resources. It would help if you tried preparing a list of citations to ensure that there lies no repetition of authors, publications, or articles in the literature review.

3. Examine and assess the sources

It is nearly impossible for you to go through every detail in the research article. So rather than trying to fetch every detail, you have to analyze and decide which research sources resemble closest and appear relevant to your chosen domain.

While analyzing the sources, you should look to find out answers to questions like:

• What question or problem has the author been describing and debating?
• What is the definition of critical aspects?
• How well the theories, approach, and methodology have been explained?
• Whether the research theory used some conventional or new innovative approach?
• How relevant are the key findings of the work?
• In what ways does it relate to other sources on the same topic?
• What challenges does this research paper pose to the existing theory
• What are the possible contributions or benefits it adds to the subject domain?

Be always mindful that you refer only to credible and authentic resources. It would be best if you always take references from different publications to validate your theory.

Always keep track of important information or data you can present in your literature review right from the beginning. It will help steer your path from any threats of plagiarism and also make it easier to curate an annotated bibliography or reference section.

4. Discover connections

At this stage, you must start deciding on the argument and structure of your literature review. To accomplish this, you must discover and identify the relations and connections between various resources while drafting your abstract.

A few aspects that you should be aware of while writing a literature review include:

• Rise to prominence: Theories and methods that have gained reputation and supporters over time.
• Constant scrutiny: Concepts or theories that repeatedly went under examination.
• Contradictions and conflicts: Theories, both the supporting and the contradictory ones, for the research topic.
• Knowledge gaps: What exactly does it fail to address, and how to bridge them with further research?
• Influential resources: Significant research projects available that have been upheld as milestones or perhaps, something that can modify the current trends

Once you join the dots between various past research works, it will be easier for you to draw a conclusion and identify your contribution to the existing knowledge base.

5. Structure planning to write a good literature review

There exist different ways towards planning and executing the structure of a literature review. The format of a literature review varies and depends upon the length of the research.

Like any other research paper, the literature review format must contain three sections: introduction, body, and conclusion. The goals and objectives of the research question determine what goes inside these three sections.

Nevertheless, a good literature review can be structured according to the chronological, thematic, methodological, or theoretical framework approach.

Literature review samples

1. Standalone

2. As a section of a research paper

How SciSpace Discover makes literature review a breeze?

SciSpace Discover is a one-stop solution to do an effective literature search and get barrier-free access to scientific knowledge. It is an excellent repository where you can find millions of only peer-reviewed articles and full-text PDF files. Here’s more on how you can use it:

Find the right information

Find what you want quickly and easily with comprehensive search filters that let you narrow down papers according to PDF availability, year of publishing, document type, and affiliated institution. Moreover, you can sort the results based on the publishing date, citation count, and relevance.

Assess credibility of papers quickly

When doing the literature review, it is critical to establish the quality of your sources. They form the foundation of your research. SciSpace Discover helps you assess the quality of a source by providing an overview of its references, citations, and performance metrics.

Get the complete picture in no time

SciSpace Discover’s personalized suggestion engine helps you stay on course and get the complete picture of the topic from one place. Every time you visit an article page, it provides you links to related papers. Besides that, it helps you understand what’s trending, who are the top authors, and who are the leading publishers on a topic.

Make referring sources super easy

To ensure you don't lose track of your sources, you must start noting down your references when doing the literature review. SciSpace Discover makes this step effortless. Click the 'cite' button on an article page, and you will receive preloaded citation text in multiple styles — all you've to do is copy-paste it into your manuscript.

Final tips on how to write a literature review

A massive chunk of time and effort is required to write a good literature review. But, if you go about it systematically, you'll be able to save a ton of time and build a solid foundation for your research.

We hope this guide has helped you answer several key questions you have about writing literature reviews.

Would you like to explore SciSpace Discover and kick off your literature search right away? You can get started here .

Frequently Asked Questions (FAQs)

1. how to start a literature review.

• What questions do you want to answer?

• What sources do you need to answer these questions?

• What information do these sources contain?

• How can you use this information to answer your questions?

2. What to include in a literature review?

• A brief background of the problem or issue

• What has previously been done to address the problem or issue

• A description of what you will do in your project

• How this study will contribute to research on the subject

3. Why literature review is important?

The literature review is an important part of any research project because it allows the writer to look at previous studies on a topic and determine existing gaps in the literature, as well as what has already been done. It will also help them to choose the most appropriate method for their own study.

4. How to cite a literature review in APA format?

To cite a literature review in APA style, you need to provide the author's name, the title of the article, and the year of publication. For example: Patel, A. B., & Stokes, G. S. (2012). The relationship between personality and intelligence: A meta-analysis of longitudinal research. Personality and Individual Differences, 53(1), 16-21

5. What are the components of a literature review?

• A brief introduction to the topic, including its background and context. The introduction should also include a rationale for why the study is being conducted and what it will accomplish.

• A description of the methodologies used in the study. This can include information about data collection methods, sample size, and statistical analyses.

• A presentation of the findings in an organized format that helps readers follow along with the author's conclusions.

6. What are common errors in writing literature review?

• Not spending enough time to critically evaluate the relevance of resources, observations and conclusions.

• Totally relying on secondary data while ignoring primary data.

• Letting your personal bias seep into your interpretation of existing literature.

• No detailed explanation of the procedure to discover and identify an appropriate literature review.

7. What are the 5 C's of writing literature review?

• Cite - the sources you utilized and referenced in your research.

• Compare - existing arguments, hypotheses, methodologies, and conclusions found in the knowledge base.

• Contrast - the arguments, topics, methodologies, approaches, and disputes that may be found in the literature.

• Critique - the literature and describe the ideas and opinions you find more convincing and why.

• Connect - the various studies you reviewed in your research.

8. How many sources should a literature review have?

When it is just a chapter, sources should equal the total number of pages in your article's body. if it is a self-contained paper in itself, you need at least three times as many sources as there are pages in your work.

9. Can literature review have diagrams?

• To represent an abstract idea or concept

• To explain the steps of a process or procedure

• To help readers understand the relationships between different concepts

10. How old should sources be in a literature review?

Sources for a literature review should be as current as possible or not older than ten years. The only exception to this rule is if you are reviewing a historical topic and need to use older sources.

11. What are the types of literature review?

• Argumentative review

• Integrative review

• Methodological review

• Systematic review

• Meta-analysis review

• Historical review

• Theoretical review

• Scoping review

• State-of-the-Art review

12. Is a literature review mandatory?

Yes. Literature review is a mandatory part of any research project. It is a critical step in the process that allows you to establish the scope of your research, and provide a background for the rest of your work.

But before you go,

• Six Online Tools for Easy Literature Review
• Evaluating literature review: systematic vs. scoping reviews
• Systematic Approaches to a Successful Literature Review
• Writing Integrative Literature Reviews: Guidelines and Examples

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How to Write a Literature Review: Six Steps to Get You from Start to Finish

Writing-a-literature-review-six-steps-to-get-you-from-start-to-finish.

Tanya Golash-Boza, Associate Professor of Sociology, University of California

February 03, 2022

Writing a literature review is often the most daunting part of writing an article, book, thesis, or dissertation. “The literature” seems (and often is) massive. I have found it helpful to be as systematic as possible when completing this gargantuan task.

Sonja Foss and William Walters* describe an efficient and effective way of writing a literature review. Their system provides an excellent guide for getting through the massive amounts of literature for any purpose: in a dissertation, an M.A. thesis, or preparing a research article for publication  in any field of study. Below is a  summary of the steps they outline as well as a step-by-step method for writing a literature review.

How to Write a Literature Review

Step One: Decide on your areas of research:

Before you begin to search for articles or books, decide beforehand what areas you are going to research. Make sure that you only get articles and books in those areas, even if you come across fascinating books in other areas. A literature review I am currently working on, for example, explores barriers to higher education for undocumented students.

Step Two: Search for the literature:

Conduct a comprehensive bibliographic search of books and articles in your area. Read the abstracts online and download and/or print those articles that pertain to your area of research. Find books in the library that are relevant and check them out. Set a specific time frame for how long you will search. It should not take more than two or three dedicated sessions.

Step Three: Find relevant excerpts in your books and articles:

Skim the contents of each book and article and look specifically for these five things:

1. Claims, conclusions, and findings about the constructs you are investigating

2. Definitions of terms

3. Calls for follow-up studies relevant to your project

4. Gaps you notice in the literature

5. Disagreement about the constructs you are investigating

When you find any of these five things, type the relevant excerpt directly into a Word document. Don’t summarize, as summarizing takes longer than simply typing the excerpt. Make sure to note the name of the author and the page number following each excerpt. Do this for each article and book that you have in your stack of literature. When you are done, print out your excerpts.

Step Four: Code the literature:

Get out a pair of scissors and cut each excerpt out. Now, sort the pieces of paper into similar topics. Figure out what the main themes are. Place each excerpt into a themed pile. Make sure each note goes into a pile. If there are excerpts that you can’t figure out where they belong, separate those and go over them again at the end to see if you need new categories. When you finish, place each stack of notes into an envelope labeled with the name of the theme.

Step Five: Create Your Conceptual Schema:

Type, in large font, the name of each of your coded themes. Print this out, and cut the titles into individual slips of paper. Take the slips of paper to a table or large workspace and figure out the best way to organize them. Are there ideas that go together or that are in dialogue with each other? Are there ideas that contradict each other? Move around the slips of paper until you come up with a way of organizing the codes that makes sense. Write the conceptual schema down before you forget or someone cleans up your slips of paper.

Step Six: Begin to Write Your Literature Review:

Choose any section of your conceptual schema to begin with. You can begin anywhere, because you already know the order. Find the envelope with the excerpts in them and lay them on the table in front of you. Figure out a mini-conceptual schema based on that theme by grouping together those excerpts that say the same thing. Use that mini-conceptual schema to write up your literature review based on the excerpts that you have in front of you. Don’t forget to include the citations as you write, so as not to lose track of who said what. Repeat this for each section of your literature review.

Once you complete these six steps, you will have a complete draft of your literature review. The great thing about this process is that it breaks down into manageable steps something that seems enormous: writing a literature review.

I think that Foss and Walter’s system for writing the literature review is ideal for a dissertation, because a Ph.D. candidate has already read widely in his or her field through graduate seminars and comprehensive exams.

It may be more challenging for M.A. students, unless you are already familiar with the literature. It is always hard to figure out how much you need to read for deep meaning, and how much you just need to know what others have said. That balance will depend on how much you already know.

For people writing literature reviews for articles or books, this system also could work, especially when you are writing in a field with which you are already familiar. The mere fact of having a system can make the literature review seem much less daunting, so I recommend this system for anyone who feels overwhelmed by the prospect of writing a literature review.

*Destination Dissertation: A Traveler's Guide to a Done Dissertation

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Literature review

How to write a literature review in 6 steps

How do you write a good literature review? This step-by-step guide on how to write an excellent literature review covers all aspects of planning and writing literature reviews for academic papers and theses.

How to write a systematic literature review [9 steps]

How do you write a systematic literature review? What types of systematic literature reviews exist and where do you use them? Learn everything you need to know about a systematic literature review in this guide

What is a literature review? [with examples]

Not sure what a literature review is? This guide covers the definition, purpose, and format of a literature review.

• UConn Library
• Literature Review: The What, Why and How-to Guide
• Introduction

Literature Review: The What, Why and How-to Guide — Introduction

• Getting Started
• How to Pick a Topic
• Strategies to Find Sources
• Evaluating Sources & Lit. Reviews
• Tips for Writing Literature Reviews
• Writing Literature Review: Useful Sites
• Citation Resources
• Other Academic Writings

What are Literature Reviews?

So, what is a literature review? "A literature review is an account of what has been published on a topic by accredited scholars and researchers. In writing the literature review, your purpose is to convey to your reader what knowledge and ideas have been established on a topic, and what their strengths and weaknesses are. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available, or a set of summaries." Taylor, D.  The literature review: A few tips on conducting it . University of Toronto Health Sciences Writing Centre.

Goals of Literature Reviews

What are the goals of creating a Literature Review?  A literature could be written to accomplish different aims:

• To develop a theory or evaluate an existing theory
• To summarize the historical or existing state of a research topic
• Identify a problem in a field of research 

Baumeister, R. F., & Leary, M. R. (1997). Writing narrative literature reviews .  Review of General Psychology , 1 (3), 311-320.

What kinds of sources require a Literature Review?

• A research paper assigned in a course
• A thesis or dissertation
• A grant proposal
• An article intended for publication in a journal

All these instances require you to collect what has been written about your research topic so that you can demonstrate how your own research sheds new light on the topic.

Types of Literature Reviews

What kinds of literature reviews are written?

Narrative review: The purpose of this type of review is to describe the current state of the research on a specific topic/research and to offer a critical analysis of the literature reviewed. Studies are grouped by research/theoretical categories, and themes and trends, strengths and weakness, and gaps are identified. The review ends with a conclusion section which summarizes the findings regarding the state of the research of the specific study, the gaps identify and if applicable, explains how the author's research will address gaps identify in the review and expand the knowledge on the topic reviewed.

• Example : Predictors and Outcomes of U.S. Quality Maternity Leave: A Review and Conceptual Framework:  10.1177/08948453211037398  

Systematic review : "The authors of a systematic review use a specific procedure to search the research literature, select the studies to include in their review, and critically evaluate the studies they find." (p. 139). Nelson, L. K. (2013). Research in Communication Sciences and Disorders . Plural Publishing.

• Example : The effect of leave policies on increasing fertility: a systematic review:  10.1057/s41599-022-01270-w

Meta-analysis : "Meta-analysis is a method of reviewing research findings in a quantitative fashion by transforming the data from individual studies into what is called an effect size and then pooling and analyzing this information. The basic goal in meta-analysis is to explain why different outcomes have occurred in different studies." (p. 197). Roberts, M. C., & Ilardi, S. S. (2003). Handbook of Research Methods in Clinical Psychology . Blackwell Publishing.

• Example : Employment Instability and Fertility in Europe: A Meta-Analysis:  10.1215/00703370-9164737

Meta-synthesis : "Qualitative meta-synthesis is a type of qualitative study that uses as data the findings from other qualitative studies linked by the same or related topic." (p.312). Zimmer, L. (2006). Qualitative meta-synthesis: A question of dialoguing with texts .  Journal of Advanced Nursing , 53 (3), 311-318.

• Example : Women’s perspectives on career successes and barriers: A qualitative meta-synthesis:  10.1177/05390184221113735

Literature Reviews in the Health Sciences

• UConn Health subject guide on systematic reviews Explanation of the different review types used in health sciences literature as well as tools to help you find the right review type
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How to Write a Literature Review

• 7. Write a Literature Review
• Literature Reviews: A Recap
• Reading Journal Articles
• Does it Describe a Literature Review?
• 1. Identify the Question
• 2. Review Discipline Styles
• Searching Article Databases
• Finding Full-Text of an Article
• Citation Chaining
• When to Stop Searching
• 4. Manage Your References
• 5. Critically Analyze and Evaluate
• 6. Synthesize

Write a Literature Review

Writing support on campus, need more help.

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Some points to remember

• Include only the most important points from each source -- you want to digest, not quote from, the sources.
• The value of the review for you audience will consist in a clear, well-organized synopsis of what has been found so far on your topic. 
• Avoid plagiarism in your lit review. Consult this UO Libraries tutorial on Academic Integrity if you need some guidance.

If you would like more pointers about how to approach your literature review, this this handout from The Writing Center at UNC-Chapel Hill  suggests several effective strategies.

From UNC-Chapel Hill  and  University of Toronto

Note : Please check the websites below for availability of online or remote services:

• Writing Lab Service Customized academic assistance for all international students
• How to Write a Literature Review (UO Libraries tutorial)
• Exploring Academic Integrity in Your Research

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Literature reviews

• Introduction

Why write a literature review?

What is a literature review, how do i get started, searching for sources.

• Undertaking your literature review
• Developing your literature review
• Writing systematic reviews

Useful links for literature reviews

• Study Advice Helping students to achieve study success with guides, video tutorials, seminars and one-to-one advice sessions.

• Doing your literature review (video) Watch this brief video tutorial for more on the topic.
• Doing your literature review (transcript) Read the transcript.
• Literature searching guide A guide to finding articles, books and other materials on your subject. Includes tips on constructing a comprehensive search using search operators (AND/OR), truncation and wildcards.
• Doing your literature search video - University of Reading Brief video on literature searching from our Academic Liaison Librarians.
• Royal Literary Fund: Writing a Literature Review A guide to writing literature reviews from the Royal Literary Fund
• What it means to be a critical student A brief and very useful video tutorial from the University of Leicester.
• Reading and notemaking LibGuide Expert guidance on managing your reading and making effective notes.
• Dissertations and major projects LibGuide Expert guidance on planning, researching and writing dissertations and major projects.

Before getting started on sourcing and reviewing the background literature for a research project, it is important to understand the role that a literature review plays in the research process, and how it can be helpful later on for placing your own findings in context. Knowing the job that a literature review does means you can be more targeted and systematic in your literature searching. The guidance on this page will explain what you need to know about the purpose of a literature review and how to begin scoping your search.  

New discoveries don't materialise out of nowhere; they build upon the findings of previous experiments and investigations. A literature review shows how the investigation you are conducting fits with what has gone before and puts it into context.

If you are doing a thesis, dissertation, or a long report it is likely that you will need to include a literature review. If you are doing a lab write-up or a shorter report, some background reading may be required to give context to your work, but this is usually included as an analysis in the introduction and discussion sections.

A literature review is a select analysis of existing research which is relevant to your topic, showing how it relates to your investigation. It explains and justifies how your investigation may help answer some of the questions or gaps in this area of research.

A literature review is not a straightforward summary of everything you have read on the topic and it is not a chronological description of what was discovered in your field.

A longer literature review may  have headings  to help group the relevant research into themes or topics. This gives a focus to your analysis, as you can group similar studies together and compare and contrast their approaches, any weaknesses or strengths in their methods, and their findings.

One common way to approach a literature review is to  start out broad and then become more specific . Think of it as an inverted triangle:

• First briefly explain the broad issues related to your investigation; you don't need to write much about this, just demonstrate that you are aware of the breadth of your subject.
• Then narrow your focus to deal with the studies that overlap with your research.
• Finally, hone in on any research which is directly related to your specific investigation. Proportionally you spend most time discussing those studies which have most direct relevance to your research.

• What research has already been done on this topic?
• What are the sub-areas of the topic you need to explore?
• What other research (perhaps not directly on the topic) might be relevant to your investigation?
• How do these sub-topics and other research overlap with your investigation?

Note down all your initial thoughts on the topic. You can use a spidergram or list to help you identify the areas you want to investigate further. It is important to do this before you start reading so that you don't waste time on unfocussed and irrelevant reading.

It's easy to think that the best way to search for texts is to use the Internet - to 'Google it'. There are useful online tools that you may use, like Google Scholar. However, for most literature reviews you will need to focus on academically authoritative texts like academic books, journals, research reports, government publications. Searching Google will give you thousands of hits, few of them authoritative, and you will waste time sorting through them.

A better idea is to use databases. These are available through the Library in paper and electronic (usually online) forms.

Use journal articles: They normally have the most up-to-date research and you will be expected to refer to them in your literature review. The Library has a guide on finding journal articles. 

The Library also has an Academic Liaison Librarian for each subject and guides to finding information in your subject. 

You may find review articles that survey developments in your field. These are very useful for identifying relevant sources - but do go back to the original texts and develop your own critical analysis if possible.

Another good way to find sources is to look at the reference lists in articles or books already identified as relevant to your topic. You will be expected to prioritise recent research, but it's also important to acknowledge the standard texts in your field. An easy way to identify these is to check reference lists to see which texts are frequently cited.

• Finding journal articles A guide from the Library about how to find articles for your research.
• Literature searching Includes tips on planning and conducting an effective search for literature using techniques such as search operators (AND/OR), truncation and wildcards.
• Doing your literature search - University of Reading Short video tutorial on literature searching from the Library.
• Subject guides Guides to specialist resources in subjects studied at the University.
• Keeping up-to-date (Library) Library guide to keeping up to date with new publications in your subject.
• Contact your Academic Liaison Librarian
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• Last Updated: May 14, 2024 8:47 AM
• URL: https://libguides.reading.ac.uk/literaturereview

How To Structure Your Literature Review

3 options to help structure your chapter.

By: Amy Rommelspacher (PhD) | Reviewer: Dr Eunice Rautenbach | November 2020 (Updated May 2023)

Writing the literature review chapter can seem pretty daunting when you’re piecing together your dissertation or thesis. As  we’ve discussed before , a good literature review needs to achieve a few very important objectives – it should:

• Demonstrate your knowledge of the research topic
• Identify the gaps in the literature and show how your research links to these
• Provide the foundation for your conceptual framework (if you have one)
• Inform your own  methodology and research design

To achieve this, your literature review needs a well-thought-out structure . Get the structure of your literature review chapter wrong and you’ll struggle to achieve these objectives. Don’t worry though – in this post, we’ll look at how to structure your literature review for maximum impact (and marks!).

But wait – is this the right time?

Deciding on the structure of your literature review should come towards the end of the literature review process – after you have collected and digested the literature, but before you start writing the chapter. 

In other words, you need to first develop a rich understanding of the literature before you even attempt to map out a structure. There’s no use trying to develop a structure before you’ve fully wrapped your head around the existing research.

Equally importantly, you need to have a structure in place before you start writing , or your literature review will most likely end up a rambling, disjointed mess. 

Importantly, don’t feel that once you’ve defined a structure you can’t iterate on it. It’s perfectly natural to adjust as you engage in the writing process. As we’ve discussed before , writing is a way of developing your thinking, so it’s quite common for your thinking to change – and therefore, for your chapter structure to change – as you write. 

Need a helping hand?

Like any other chapter in your thesis or dissertation, your literature review needs to have a clear, logical structure. At a minimum, it should have three essential components – an  introduction , a  body   and a  conclusion . 

Let’s take a closer look at each of these.

1: The Introduction Section

Just like any good introduction, the introduction section of your literature review should introduce the purpose and layout (organisation) of the chapter. In other words, your introduction needs to give the reader a taste of what’s to come, and how you’re going to lay that out. Essentially, you should provide the reader with a high-level roadmap of your chapter to give them a taste of the journey that lies ahead.

Here’s an example of the layout visualised in a literature review introduction:

Your introduction should also outline your topic (including any tricky terminology or jargon) and provide an explanation of the scope of your literature review – in other words, what you  will   and  won’t   be covering (the delimitations ). This helps ringfence your review and achieve a clear focus . The clearer and narrower your focus, the deeper you can dive into the topic (which is typically where the magic lies). 

Depending on the nature of your project, you could also present your stance or point of view at this stage. In other words, after grappling with the literature you’ll have an opinion about what the trends and concerns are in the field as well as what’s lacking. The introduction section can then present these ideas so that it is clear to examiners that you’re aware of how your research connects with existing knowledge .

2: The Body Section

The body of your literature review is the centre of your work. This is where you’ll present, analyse, evaluate and synthesise the existing research. In other words, this is where you’re going to earn (or lose) the most marks. Therefore, it’s important to carefully think about how you will organise your discussion to present it in a clear way. 

The body of your literature review should do just as the description of this chapter suggests. It should “review” the literature – in other words, identify, analyse, and synthesise it. So, when thinking about structuring your literature review, you need to think about which structural approach will provide the best “review” for your specific type of research and objectives (we’ll get to this shortly).

There are (broadly speaking)  three options  for organising your literature review.

Option 1: Chronological (according to date)

Organising the literature chronologically is one of the simplest ways to structure your literature review. You start with what was published first and work your way through the literature until you reach the work published most recently. Pretty straightforward.

The benefit of this option is that it makes it easy to discuss the developments and debates in the field as they emerged over time. Organising your literature chronologically also allows you to highlight how specific articles or pieces of work might have changed the course of the field – in other words, which research has had the most impact . Therefore, this approach is very useful when your research is aimed at understanding how the topic has unfolded over time and is often used by scholars in the field of history. That said, this approach can be utilised by anyone that wants to explore change over time .

For example , if a student of politics is investigating how the understanding of democracy has evolved over time, they could use the chronological approach to provide a narrative that demonstrates how this understanding has changed through the ages.

Here are some questions you can ask yourself to help you structure your literature review chronologically.

• What is the earliest literature published relating to this topic?
• How has the field changed over time? Why?
• What are the most recent discoveries/theories?

In some ways, chronology plays a part whichever way you decide to structure your literature review, because you will always, to a certain extent, be analysing how the literature has developed. However, with the chronological approach, the emphasis is very firmly on how the discussion has evolved over time , as opposed to how all the literature links together (which we’ll discuss next ).

Option 2: Thematic (grouped by theme)

The thematic approach to structuring a literature review means organising your literature by theme or category – for example, by independent variables (i.e. factors that have an impact on a specific outcome).

As you’ve been collecting and synthesising literature , you’ll likely have started seeing some themes or patterns emerging. You can then use these themes or patterns as a structure for your body discussion. The thematic approach is the most common approach and is useful for structuring literature reviews in most fields.

For example, if you were researching which factors contributed towards people trusting an organisation, you might find themes such as consumers’ perceptions of an organisation’s competence, benevolence and integrity. Structuring your literature review thematically would mean structuring your literature review’s body section to discuss each of these themes, one section at a time.

Here are some questions to ask yourself when structuring your literature review by themes:

• Are there any patterns that have come to light in the literature?
• What are the central themes and categories used by the researchers?
• Do I have enough evidence of these themes?

PS – you can see an example of a thematically structured literature review in our literature review sample walkthrough video here.

Option 3: Methodological

The methodological option is a way of structuring your literature review by the research methodologies used . In other words, organising your discussion based on the angle from which each piece of research was approached – for example, qualitative , quantitative or mixed  methodologies.

Structuring your literature review by methodology can be useful if you are drawing research from a variety of disciplines and are critiquing different methodologies. The point of this approach is to question  how  existing research has been conducted, as opposed to  what  the conclusions and/or findings the research were.

For example, a sociologist might centre their research around critiquing specific fieldwork practices. Their literature review will then be a summary of the fieldwork methodologies used by different studies.

Here are some questions you can ask yourself when structuring your literature review according to methodology:

• Which methodologies have been utilised in this field?
• Which methodology is the most popular (and why)?
• What are the strengths and weaknesses of the various methodologies?
• How can the existing methodologies inform my own methodology?

3: The Conclusion Section

Once you’ve completed the body section of your literature review using one of the structural approaches we discussed above, you’ll need to “wrap up” your literature review and pull all the pieces together to set the direction for the rest of your dissertation or thesis.

The conclusion is where you’ll present the key findings of your literature review. In this section, you should emphasise the research that is especially important to your research questions and highlight the gaps that exist in the literature. Based on this, you need to make it clear what you will add to the literature – in other words, justify your own research by showing how it will help fill one or more of the gaps you just identified.

Last but not least, if it’s your intention to develop a conceptual framework for your dissertation or thesis, the conclusion section is a good place to present this.

Example: Thematically Structured Review

In the video below, we unpack a literature review chapter so that you can see an example of a thematically structure review in practice.

Let’s Recap

In this article, we’ve  discussed how to structure your literature review for maximum impact. Here’s a quick recap of what  you need to keep in mind when deciding on your literature review structure:

• Just like other chapters, your literature review needs a clear introduction , body and conclusion .
• The introduction section should provide an overview of what you will discuss in your literature review.
• The body section of your literature review can be organised by chronology , theme or methodology . The right structural approach depends on what you’re trying to achieve with your research.
• The conclusion section should draw together the key findings of your literature review and link them to your research questions.

If you’re ready to get started, be sure to download our free literature review template to fast-track your chapter outline.

Psst… there’s more!

This post is an extract from our bestselling short course, Literature Review Bootcamp . If you want to work smart, you don't want to miss this .

You Might Also Like:

27 Comments

Great work. This is exactly what I was looking for and helps a lot together with your previous post on literature review. One last thing is missing: a link to a great literature chapter of an journal article (maybe with comments of the different sections in this review chapter). Do you know any great literature review chapters?

I agree with you Marin… A great piece

I agree with Marin. This would be quite helpful if you annotate a nicely structured literature from previously published research articles.

Awesome article for my research.

I thank you immensely for this wonderful guide

It is indeed thought and supportive work for the futurist researcher and students

Very educative and good time to get guide. Thank you

Great work, very insightful. Thank you.

Thanks for this wonderful presentation. My question is that do I put all the variables into a single conceptual framework or each hypothesis will have it own conceptual framework?

Thank you very much, very helpful

This is very educative and precise . Thank you very much for dropping this kind of write up .

Pheeww, so damn helpful, thank you for this informative piece.

I’m doing a research project topic ; stool analysis for parasitic worm (enteric) worm, how do I structure it, thanks.

comprehensive explanation. Help us by pasting the URL of some good “literature review” for better understanding.

great piece. thanks for the awesome explanation. it is really worth sharing. I have a little question, if anyone can help me out, which of the options in the body of literature can be best fit if you are writing an architectural thesis that deals with design?

I am doing a research on nanofluids how can l structure it?

Beautifully clear.nThank you!

Lucid! Thankyou!

Brilliant work, well understood, many thanks

I like how this was so clear with simple language 😊😊 thank you so much 😊 for these information 😊

Insightful. I was struggling to come up with a sensible literature review but this has been really helpful. Thank you!

You have given thought-provoking information about the review of the literature.

Thank you. It has made my own research better and to impart your work to students I teach

I learnt a lot from this teaching. It’s a great piece.

I am doing research on EFL teacher motivation for his/her job. How Can I structure it? Is there any detailed template, additional to this?

You are so cool! I do not think I’ve read through something like this before. So nice to find somebody with some genuine thoughts on this issue. Seriously.. thank you for starting this up. This site is one thing that is required on the internet, someone with a little originality!

I’m asked to do conceptual, theoretical and empirical literature, and i just don’t know how to structure it

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What is a literature review?

A literature review is an integrated analysis -- not just a summary-- of scholarly writings and other relevant evidence related directly to your research question.  That is, it represents a synthesis of the evidence that provides background information on your topic and shows a association between the evidence and your research question.

A literature review may be a stand alone work or the introduction to a larger research paper, depending on the assignment.  Rely heavily on the guidelines your instructor has given you.

Why is it important?

A literature review is important because it:

• Explains the background of research on a topic.
• Demonstrates why a topic is significant to a subject area.
• Discovers relationships between research studies/ideas.
• Identifies major themes, concepts, and researchers on a topic.
• Identifies critical gaps and points of disagreement.
• Discusses further research questions that logically come out of the previous studies.

APA7 Style resources

APA Style Blog - for those harder to find answers

1. Choose a topic. Define your research question.

Your literature review should be guided by your central research question.  The literature represents background and research developments related to a specific research question, interpreted and analyzed by you in a synthesized way.

• Make sure your research question is not too broad or too narrow.  Is it manageable?
• Begin writing down terms that are related to your question. These will be useful for searches later.
• If you have the opportunity, discuss your topic with your professor and your class mates.

2. Decide on the scope of your review

How many studies do you need to look at? How comprehensive should it be? How many years should it cover? 

• This may depend on your assignment.  How many sources does the assignment require?

3. Select the databases you will use to conduct your searches.

Make a list of the databases you will search. 

Where to find databases:

• use the tabs on this guide
• Find other databases in the Nursing Information Resources web page
• More on the Medical Library web page
• ... and more on the Yale University Library web page

4. Conduct your searches to find the evidence. Keep track of your searches.

• Use the key words in your question, as well as synonyms for those words, as terms in your search. Use the database tutorials for help.
• Save the searches in the databases. This saves time when you want to redo, or modify, the searches. It is also helpful to use as a guide is the searches are not finding any useful results.
• Review the abstracts of research studies carefully. This will save you time.
• Use the bibliographies and references of research studies you find to locate others.
• Check with your professor, or a subject expert in the field, if you are missing any key works in the field.
• Ask your librarian for help at any time.
• Use a citation manager, such as EndNote as the repository for your citations. See the EndNote tutorials for help.

Review the literature

Some questions to help you analyze the research:

• What was the research question of the study you are reviewing? What were the authors trying to discover?
• Was the research funded by a source that could influence the findings?
• What were the research methodologies? Analyze its literature review, the samples and variables used, the results, and the conclusions.
• Does the research seem to be complete? Could it have been conducted more soundly? What further questions does it raise?
• If there are conflicting studies, why do you think that is?
• How are the authors viewed in the field? Has this study been cited? If so, how has it been analyzed?

Tips: 

• Review the abstracts carefully.  
• Keep careful notes so that you may track your thought processes during the research process.
• Create a matrix of the studies for easy analysis, and synthesis, across all of the studies.
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Ten Simple Rules for Writing a Literature Review

Marco pautasso.

1 Centre for Functional and Evolutionary Ecology (CEFE), CNRS, Montpellier, France

2 Centre for Biodiversity Synthesis and Analysis (CESAB), FRB, Aix-en-Provence, France

Literature reviews are in great demand in most scientific fields. Their need stems from the ever-increasing output of scientific publications [1] . For example, compared to 1991, in 2008 three, eight, and forty times more papers were indexed in Web of Science on malaria, obesity, and biodiversity, respectively [2] . Given such mountains of papers, scientists cannot be expected to examine in detail every single new paper relevant to their interests [3] . Thus, it is both advantageous and necessary to rely on regular summaries of the recent literature. Although recognition for scientists mainly comes from primary research, timely literature reviews can lead to new synthetic insights and are often widely read [4] . For such summaries to be useful, however, they need to be compiled in a professional way [5] .

When starting from scratch, reviewing the literature can require a titanic amount of work. That is why researchers who have spent their career working on a certain research issue are in a perfect position to review that literature. Some graduate schools are now offering courses in reviewing the literature, given that most research students start their project by producing an overview of what has already been done on their research issue [6] . However, it is likely that most scientists have not thought in detail about how to approach and carry out a literature review.

Reviewing the literature requires the ability to juggle multiple tasks, from finding and evaluating relevant material to synthesising information from various sources, from critical thinking to paraphrasing, evaluating, and citation skills [7] . In this contribution, I share ten simple rules I learned working on about 25 literature reviews as a PhD and postdoctoral student. Ideas and insights also come from discussions with coauthors and colleagues, as well as feedback from reviewers and editors.

Rule 1: Define a Topic and Audience

How to choose which topic to review? There are so many issues in contemporary science that you could spend a lifetime of attending conferences and reading the literature just pondering what to review. On the one hand, if you take several years to choose, several other people may have had the same idea in the meantime. On the other hand, only a well-considered topic is likely to lead to a brilliant literature review [8] . The topic must at least be:

• interesting to you (ideally, you should have come across a series of recent papers related to your line of work that call for a critical summary),
• an important aspect of the field (so that many readers will be interested in the review and there will be enough material to write it), and
• a well-defined issue (otherwise you could potentially include thousands of publications, which would make the review unhelpful).

Ideas for potential reviews may come from papers providing lists of key research questions to be answered [9] , but also from serendipitous moments during desultory reading and discussions. In addition to choosing your topic, you should also select a target audience. In many cases, the topic (e.g., web services in computational biology) will automatically define an audience (e.g., computational biologists), but that same topic may also be of interest to neighbouring fields (e.g., computer science, biology, etc.).

Rule 2: Search and Re-search the Literature

After having chosen your topic and audience, start by checking the literature and downloading relevant papers. Five pieces of advice here:

• keep track of the search items you use (so that your search can be replicated [10] ),
• keep a list of papers whose pdfs you cannot access immediately (so as to retrieve them later with alternative strategies),
• use a paper management system (e.g., Mendeley, Papers, Qiqqa, Sente),
• define early in the process some criteria for exclusion of irrelevant papers (these criteria can then be described in the review to help define its scope), and
• do not just look for research papers in the area you wish to review, but also seek previous reviews.

The chances are high that someone will already have published a literature review ( Figure 1 ), if not exactly on the issue you are planning to tackle, at least on a related topic. If there are already a few or several reviews of the literature on your issue, my advice is not to give up, but to carry on with your own literature review,

The bottom-right situation (many literature reviews but few research papers) is not just a theoretical situation; it applies, for example, to the study of the impacts of climate change on plant diseases, where there appear to be more literature reviews than research studies [33] .

• discussing in your review the approaches, limitations, and conclusions of past reviews,
• trying to find a new angle that has not been covered adequately in the previous reviews, and
• incorporating new material that has inevitably accumulated since their appearance.

When searching the literature for pertinent papers and reviews, the usual rules apply:

• be thorough,
• use different keywords and database sources (e.g., DBLP, Google Scholar, ISI Proceedings, JSTOR Search, Medline, Scopus, Web of Science), and
• look at who has cited past relevant papers and book chapters.

Rule 3: Take Notes While Reading

If you read the papers first, and only afterwards start writing the review, you will need a very good memory to remember who wrote what, and what your impressions and associations were while reading each single paper. My advice is, while reading, to start writing down interesting pieces of information, insights about how to organize the review, and thoughts on what to write. This way, by the time you have read the literature you selected, you will already have a rough draft of the review.

Of course, this draft will still need much rewriting, restructuring, and rethinking to obtain a text with a coherent argument [11] , but you will have avoided the danger posed by staring at a blank document. Be careful when taking notes to use quotation marks if you are provisionally copying verbatim from the literature. It is advisable then to reformulate such quotes with your own words in the final draft. It is important to be careful in noting the references already at this stage, so as to avoid misattributions. Using referencing software from the very beginning of your endeavour will save you time.

Rule 4: Choose the Type of Review You Wish to Write

After having taken notes while reading the literature, you will have a rough idea of the amount of material available for the review. This is probably a good time to decide whether to go for a mini- or a full review. Some journals are now favouring the publication of rather short reviews focusing on the last few years, with a limit on the number of words and citations. A mini-review is not necessarily a minor review: it may well attract more attention from busy readers, although it will inevitably simplify some issues and leave out some relevant material due to space limitations. A full review will have the advantage of more freedom to cover in detail the complexities of a particular scientific development, but may then be left in the pile of the very important papers “to be read” by readers with little time to spare for major monographs.

There is probably a continuum between mini- and full reviews. The same point applies to the dichotomy of descriptive vs. integrative reviews. While descriptive reviews focus on the methodology, findings, and interpretation of each reviewed study, integrative reviews attempt to find common ideas and concepts from the reviewed material [12] . A similar distinction exists between narrative and systematic reviews: while narrative reviews are qualitative, systematic reviews attempt to test a hypothesis based on the published evidence, which is gathered using a predefined protocol to reduce bias [13] , [14] . When systematic reviews analyse quantitative results in a quantitative way, they become meta-analyses. The choice between different review types will have to be made on a case-by-case basis, depending not just on the nature of the material found and the preferences of the target journal(s), but also on the time available to write the review and the number of coauthors [15] .

Rule 5: Keep the Review Focused, but Make It of Broad Interest

Whether your plan is to write a mini- or a full review, it is good advice to keep it focused 16 , 17 . Including material just for the sake of it can easily lead to reviews that are trying to do too many things at once. The need to keep a review focused can be problematic for interdisciplinary reviews, where the aim is to bridge the gap between fields [18] . If you are writing a review on, for example, how epidemiological approaches are used in modelling the spread of ideas, you may be inclined to include material from both parent fields, epidemiology and the study of cultural diffusion. This may be necessary to some extent, but in this case a focused review would only deal in detail with those studies at the interface between epidemiology and the spread of ideas.

While focus is an important feature of a successful review, this requirement has to be balanced with the need to make the review relevant to a broad audience. This square may be circled by discussing the wider implications of the reviewed topic for other disciplines.

Rule 6: Be Critical and Consistent

Reviewing the literature is not stamp collecting. A good review does not just summarize the literature, but discusses it critically, identifies methodological problems, and points out research gaps [19] . After having read a review of the literature, a reader should have a rough idea of:

• the major achievements in the reviewed field,
• the main areas of debate, and
• the outstanding research questions.

It is challenging to achieve a successful review on all these fronts. A solution can be to involve a set of complementary coauthors: some people are excellent at mapping what has been achieved, some others are very good at identifying dark clouds on the horizon, and some have instead a knack at predicting where solutions are going to come from. If your journal club has exactly this sort of team, then you should definitely write a review of the literature! In addition to critical thinking, a literature review needs consistency, for example in the choice of passive vs. active voice and present vs. past tense.

Rule 7: Find a Logical Structure

Like a well-baked cake, a good review has a number of telling features: it is worth the reader's time, timely, systematic, well written, focused, and critical. It also needs a good structure. With reviews, the usual subdivision of research papers into introduction, methods, results, and discussion does not work or is rarely used. However, a general introduction of the context and, toward the end, a recapitulation of the main points covered and take-home messages make sense also in the case of reviews. For systematic reviews, there is a trend towards including information about how the literature was searched (database, keywords, time limits) [20] .

How can you organize the flow of the main body of the review so that the reader will be drawn into and guided through it? It is generally helpful to draw a conceptual scheme of the review, e.g., with mind-mapping techniques. Such diagrams can help recognize a logical way to order and link the various sections of a review [21] . This is the case not just at the writing stage, but also for readers if the diagram is included in the review as a figure. A careful selection of diagrams and figures relevant to the reviewed topic can be very helpful to structure the text too [22] .

Rule 8: Make Use of Feedback

Reviews of the literature are normally peer-reviewed in the same way as research papers, and rightly so [23] . As a rule, incorporating feedback from reviewers greatly helps improve a review draft. Having read the review with a fresh mind, reviewers may spot inaccuracies, inconsistencies, and ambiguities that had not been noticed by the writers due to rereading the typescript too many times. It is however advisable to reread the draft one more time before submission, as a last-minute correction of typos, leaps, and muddled sentences may enable the reviewers to focus on providing advice on the content rather than the form.

Feedback is vital to writing a good review, and should be sought from a variety of colleagues, so as to obtain a diversity of views on the draft. This may lead in some cases to conflicting views on the merits of the paper, and on how to improve it, but such a situation is better than the absence of feedback. A diversity of feedback perspectives on a literature review can help identify where the consensus view stands in the landscape of the current scientific understanding of an issue [24] .

Rule 9: Include Your Own Relevant Research, but Be Objective

In many cases, reviewers of the literature will have published studies relevant to the review they are writing. This could create a conflict of interest: how can reviewers report objectively on their own work [25] ? Some scientists may be overly enthusiastic about what they have published, and thus risk giving too much importance to their own findings in the review. However, bias could also occur in the other direction: some scientists may be unduly dismissive of their own achievements, so that they will tend to downplay their contribution (if any) to a field when reviewing it.

In general, a review of the literature should neither be a public relations brochure nor an exercise in competitive self-denial. If a reviewer is up to the job of producing a well-organized and methodical review, which flows well and provides a service to the readership, then it should be possible to be objective in reviewing one's own relevant findings. In reviews written by multiple authors, this may be achieved by assigning the review of the results of a coauthor to different coauthors.

Rule 10: Be Up-to-Date, but Do Not Forget Older Studies

Given the progressive acceleration in the publication of scientific papers, today's reviews of the literature need awareness not just of the overall direction and achievements of a field of inquiry, but also of the latest studies, so as not to become out-of-date before they have been published. Ideally, a literature review should not identify as a major research gap an issue that has just been addressed in a series of papers in press (the same applies, of course, to older, overlooked studies (“sleeping beauties” [26] )). This implies that literature reviewers would do well to keep an eye on electronic lists of papers in press, given that it can take months before these appear in scientific databases. Some reviews declare that they have scanned the literature up to a certain point in time, but given that peer review can be a rather lengthy process, a full search for newly appeared literature at the revision stage may be worthwhile. Assessing the contribution of papers that have just appeared is particularly challenging, because there is little perspective with which to gauge their significance and impact on further research and society.

Inevitably, new papers on the reviewed topic (including independently written literature reviews) will appear from all quarters after the review has been published, so that there may soon be the need for an updated review. But this is the nature of science [27] – [32] . I wish everybody good luck with writing a review of the literature.

Acknowledgments

Many thanks to M. Barbosa, K. Dehnen-Schmutz, T. Döring, D. Fontaneto, M. Garbelotto, O. Holdenrieder, M. Jeger, D. Lonsdale, A. MacLeod, P. Mills, M. Moslonka-Lefebvre, G. Stancanelli, P. Weisberg, and X. Xu for insights and discussions, and to P. Bourne, T. Matoni, and D. Smith for helpful comments on a previous draft.

Funding Statement

This work was funded by the French Foundation for Research on Biodiversity (FRB) through its Centre for Synthesis and Analysis of Biodiversity data (CESAB), as part of the NETSEED research project. The funders had no role in the preparation of the manuscript.

Literature Reviews

• What is a Literature Review?
• Six Steps to Writing a Literature Review
• Finding Articles
• Try A Citation Manager
• Avoiding Plagiarism

Selecting a Research Topic 

The first step in the process involves exploring and selecting a topic. You may revise the topic/scope of your research as you learn more from the literature. Be sure to select a topic that you are willing to work with for a considerable amount of time.

When thinking about a topic, it is important to consider the following: 

Does the topic interest you?

Working on something that doesn’t excite you will make the process tedious. The research content should reflect your passion for research so it is essential to research in your area of interest rather than choosing a topic that interests someone else. While developing your research topic, broaden your thinking and creativity to determine what works best for you. Consider an area of high importance to your profession, or identify a gap in the research. It may take some time to narrow down on a topic and get started, but it’s worth the effort.

Is the Topic Relevant?

Be sure your subject meets the assignment/research requirements. When in doubt, review the guidelines and seek clarification from your professor. 

What is the Scope and Purpose?

Sometimes your chosen topic may be too broad. To find direction, try limiting the scope and purpose of the research by identifying the concepts you wish to explore. Once this is accomplished, you can fine-tune your topic by experimenting with keyword searches our  A-Z Databases  until you are satisfied with your retrieval results.

Are there Enough Resources to Support Your Research? 

If the topic is too narrow, you may not be able to provide the depth of results needed. When selecting a topic make sure you have adequate material to help with the research. Explore a variety of resources: journals, books, and online information. 

Adapted from https://jgateplus.com/home/2018/10/11/the-dos-of-choosing-a-research-topic-part-1/

Why use keywords to search? 

• Library databases work differently than Google. Library databases work best when you search for concepts and keywords.
• For your research, you will want to brainstorm keywords related to your research question. These keywords can lead you to relevant sources that you can use to start your research project.
• Identify those terms relevant to your research and add 2-3 in the search box. 

Now its time to decide whether or not to incorporate what you have found into your literature review.  E valuate  your resources to make sure they contain information that is authoritative, reliable, relevant and the most useful in supporting your research.

Remember to be:

• Objective : keep an open mind
• Unbiased : Consider all viewpoints, and include all sides of an argument,  even ones that don't support your own

Criteria for Evaluating Research Publications

Significance and Contribution to the Field

• What is the author’s aim?

• To what extent has this aim been achieved?

• What does this text add to the body of knowledge? (theory, data and/or practical application)

• What relationship does it bear to other works in the field?

• What is missing/not stated?

• Is this a problem?

Methodology or Approach (Formal, research-based texts)

• What approach was used for the research? (eg; quantitative or qualitative, analysis/review of theory or current practice, comparative, case study, personal reflection etc…)

• How objective/biased is the approach?

• Are the results valid and reliable?

• What analytical framework is used to discuss the results?

Argument and Use of Evidence

• Is there a clear problem, statement or hypothesis?

• What claims are made?

• Is the argument consistent?

• What kinds of evidence does the text rely on?

• How valid and reliable is the evidence?

• How effective is the evidence in supporting the argument?

• What conclusions are drawn?

• Are these conclusions justified?

Writing Style and Text Structure

• Does the writing style suit the intended audience? (eg; expert/non-expert, academic/non- academic)

• What is the organizing principle of the text?

• Could it be better organized?

Prepared by Pam Mort, Lyn Hallion and Tracey Lee Downey, The Learning Centre © April 2005 The University of New South Wales. 

Analysis: the Starting Point for Further Analysis & Inquiry

After evaluating your retrieved sources you will be ready to explore both what has been  found  and what is  missing . Analysis involves breaking the study into parts,  understanding  each part, assessing the  strength  of evidence, and drawing  conclusions  about its relationship to your topic. 

Read through the information sources you have selected and try to analyze, understand and critique what you read.  Critically  review each source's methods, procedures, data validity/reliability, and other themes of interest.  Consider  how each source approaches your topic in addition to their collective points of  intersection  and  separation .  Offer an appraisal of past and current thinking, ideas, policies, and practices, identify gaps within the research, and place your current work and research within this wider discussion by considering how your research supports, contradicts, or departs from other scholars’ research and offer recommendations for future research.

Top 10 Tips for Analyzing the Research

• Define key terms
• Note key statistics 
• Determine emphasis, strengths & weaknesses
• Critique research methodologies used in the studies
• Distinguish between author opinion and actual results
• Identify major trends, patterns, categories, relationships, and inconsistencies
• Recognize specific aspects in the study that relate to your topic
• Disclose any gaps in the literature
• Stay focused on your topic
• Excluding landmark studies, use current, up-to-date sources

Prepared by the fine librarians at California State University Sacramento. 

Synthesis vs Summary

Your literature review should not simply be a summary of the articles, books, and other scholarly writings you find on your topic. It should synthesize the various ideas from your sources with your own observations to create a map of the scholarly conversation taking place about your research topics along with gaps or areas for further research.

Bringing together your review results is called synthesis. Synthesis relies heavily on pattern recognition and relationships or similarities between different phenomena. Recognizing these patterns and relatedness helps you make  creative connections  between previously unrelated research and identify any gaps.

As you read, you'll encounter various ideas, disagreements, methods, and perspectives which can be hard to organize in a meaningful way.  A  synthesis matrix  also known as a Literature Review Matrix is an effective and efficient method to organize your literature by recording the main points of each source and documenting how sources relate to each other. If you know how to make an Excel spreadsheet, you can create your own synthesis matrix, or use one of the templates below. 

Because a literature review is NOT a summary of these different sources, it can be very difficult to keep your research organized. It is especially difficult to organize the information in a way that makes the writing process simpler. One way that seems particularly helpful in organizing literature reviews is the synthesis matrix. Click on the link below for a short tutorial and synthesis matrix spreadsheet.

• Literature Review and Synthesis
• Lit Review Synthesis Matrix
• Synthesis Matrix Example

A literature review must include a thesis statement, which is your perception of the information found in the literature. 

A literature review: 

• Demonstrates your thorough  investigation  of and acquaintance with sources related to your topic
• Is not a simple listing, but a  critical discussion
• Must  compare  and  contrast  opinions
• Must  relate  your study to previous studies
• Must show  gaps  in research
• Can  focus  on a research question or a thesis
• Includes a  compilation  of the primary questions and subject areas involved
• Identifies  sources

https://custom-writing.org/blog/best-literature-review

Organizing Your Literature Review

The structure of the review is divided into three main parts—an introduction, body, and the conclusion.

Introduction

Discuss what is already known about your topic and what readers need to know in order to understand your literature review. 

• Scope, Method, Framework: ​ Explain your selection criteria and similarities between your sources. Be sure to mention any consistent methods, theoretical frameworks, or approaches.  
• Research Question or Problem Statement:  State the problem you are addressing and why it is important. Try to write your research question as a statement. 
• Thesis : Address the connections between your sources, current state of knowledge in the field, and consistent approaches to your topic. 
• Format:  Describe your literature review’s organization and adhere to it throughout.   

​ Body 

The discussion of your research and its importance to the literature should be presented in a logical structure.

• Chronological: Structure your discussion by the literature’s publication date moving from the oldest to the newest research. Discuss how your research relates to the literature and highlight any breakthroughs and any gaps in the research.
• Historical: Similar to the chronological structure, the historical structure allows for a discussion of concepts or themes and how they have evolved over time.
• Thematic: Identify and discuss the different themes present within the research. Make sure that you relate the themes to each other and to your research.
• Methodological: This type of structure is used to discuss not so much what is found but how. For example, an methodological approach could provide an analysis of research approaches, data collection or and analysis techniques.

Provide a concise summary of your review and provide suggestions for future research.

Writing for Your Audience 

Writing within your discipline means learning:

• the  specialized vocabulary  your discipline uses
• the rhetorical conventions and  discourse  of your discipline
• the research  methodologies  which are employed

Learn how to write in your discipline by  familiarizing  yourself with the journals and trade publications professionals, researchers, and scholars use. 

Use our Databases by Title  to access:

• The best journals
• The most widely circulated trade publications
• The additional ways professionals and researchers communicate, such as conferences, newsletters, or symposiums.
• << Previous: What is a Literature Review?
• Next: Finding Articles >>
• Last Updated: Jan 18, 2024 1:14 PM
• URL: https://niagara.libguides.com/litreview

Writing a Literature Review

• Steps for Conducting a Lit Review
• Finding "The Literature"
• Organizing/Writing
• Peer Review
• Citation/Style Guides

Reference & Instruction Librarian

What is a Literature Review?

A literature review is not:

• just a summary of the sources
• a grouping of broad, unrelated sources
• a compilation of everything that has been written on a particular topic
• literature criticism (think English) or a book review.

So, what is it then?

A literature review :

• Surveys all of the scholarship that has been written about a particular topic (your research question).
• Provides a description , summary , and evaluation of each scholarly work.
• Synthesizes and organizes the previous research by comparing and contrasting the findings or methodology of those previous writings.

"A literature review is an account of what has been published on a topic by accredited scholars and researchers. Occasionally, you will be asked to write one as a separate assignment, ..., but more often, it is part of the introduction to an essay, research report, or thesis. In writing the literature review, you aim to convey to your reader what knowledge and ideas have been established on a topic and their strengths and weaknesses. As a piece of writing, the literature review must be defined by a guiding concept (e.g., your research objective, the problem or issue you are discussing, or your argumentative thesis). It is not just a descriptive list of the material available or a set of summaries."  

A literature review is an integrated analysis-- not just a summary-- of scholarly writings that are related directly to your research question.  That is, it represents the literature that provides background information on your topic and shows a correspondence between those writings and your research question.

A literature review may be a stand-alone work or the introduction to a more extensive research paper, depending on the assignment.  Rely heavily on the guidelines your instructor has given you.

Why is it important?

A literature review is important because it:

• Explains the background of research on a topic.
• Demonstrates why a topic is significant to a subject area.
• Discovers relationships between research studies/ideas.
• Identifies major themes, concepts, and researchers on a topic.
• Identifies critical gaps and points of disagreement.
• Discusses further research questions that logically come out of the previous studies.

Where Can I Find a Lit Review?

The Literature Review portion of a scholarly article is usually close to the beginning. It often follows the introduction , or may be combined with the introduction. The writer may discuss his or her research question first, or may choose to explain it while surveying previous literature.

If you are lucky, there will be a section heading that includes " literature review ".  If not, look for the section of the article with the most citations or footnotes .

Searching In Databases

Resources on the web.

• Writing a Literature Review Brendan Rapple, Boston College Libraries
• Next: Steps for Conducting a Lit Review >>
• Last Updated: Jun 18, 2024 1:28 PM
• URL: https://westlibrary.txwes.edu/writing_a_literature_review

• Writing well

How to write a literature review

• Starting well
• How to write an annotated bibliography
• How to write a case study response
• How to write a critique
• How to write an empirical article
• How to write an essay
• How to write a reflective task
• How to write a report
• Finishing well

Structure of a literature review

Determine your purpose.

Work out what you need to address in the literature review. What are you being asked to do in your literature review? What are you searching the literature to discover? Check your assignment question and your criteria sheet to know what to focus on.

Do an extensive search of the literature

Find out what has been written on the topic.

What kind of literature?

Select appropriate source material: Use a variety of academic or scholarly sources that are relevant, current and authoritative. An extensive review of relevant material will include — books, journal articles, reports, government documents, conference proceedings and web resources. The Library would be the best place to search for your sources.

How many resources?

The number of sources that you will be required to review will depend on what the literature review is for and how advanced you are in your studies. It could be from five sources at first year undergraduate level to more than fifty for a thesis. Your lecturer will advise you on these details.

Note the bibliographical details of your sources

Keep a note of the publication title, date, authors’ names, page numbers and publishers. These details will save you time later.

Read the literature

• Critically read each source, look for the arguments presented rather than for facts.
• Take notes as you read and start to organise your review around themes and ideas.
• Consider using a table, matrix or concept map to identify how the different sources relate to each other.

Analyse the literature you have found

In order for your writing to reflect strong critical analysis, you need to evaluate the sources. For each source you are reviewing ask yourself these questions:

• What are the key terms and concepts?
• How relevant is this article to my specific topic?
• What are the major relationships, trends and patterns?
• How has the author structured the arguments?
• How authoritative and credible is this source?
• What are the differences and similarities between the sources?
• Are there any gaps in the literature that require further study?

Write the review

• Start by writing your thesis statement. This is an important introductory sentence that will tell your reader what the topic is and the overall perspective or argument you will be presenting.
• Like essays, a literature review must have an introduction, a body and a conclusion.

Introduction

Your introduction should give an outline of:

• why you are writing a review, and why the topic is important
• the scope of the review — what aspects of the topic will be discussed
• the criteria used for your literature selection (e.g. type of sources used, date range)
• the organisational pattern of the review.

Body paragraphs

Each body paragraph should deal with a different theme that is relevant to your topic. You will need to synthesise several of your reviewed readings into each paragraph, so that there is a clear connection between the various sources. You will need to critically analyse each source for how they contribute to the themes you are researching.

The body could include paragraphs on:

• historical background
• methodologies
• previous studies on the topic
• mainstream versus alternative viewpoints
• principal questions being asked
• general conclusions that are being drawn.

Your conclusion should give a summary of:

• the main agreements and disagreements in the literature
• any gaps or areas for further research
• your overall perspective on the topic.
• outlined the purpose and scope?
• identified appropriate and credible (academic/scholarly) literature?
• recorded the bibliographical details of the sources?
• analysed and critiqued your readings?
• identified gaps in the literature and research?
• explored methodologies / theories / hypotheses / models?
• discussed the varying viewpoints?
• written an introduction, body and conclusion?
• checked punctuation and spelling?

Further information

• HiQ: Managing weekly readings
• HiQ: Notetaking
• HiQ: Structuring your assignment
• RMIT University: Literature review - Overview

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Literature reviews

Writing a literature review.

The following guide has been created for you by the  Student Learning Advisory Service . For more detailed guidance and to speak to one of our advisers, please book an  appointment  or join one of our  workshops . Alternatively, have a look at our  SkillBuilder  skills videos.   

Preparing a literature review involves:

• Searching for reliable, accurate and up-to-date material on a topic or subject
• Reading and summarising the key points from this literature
• Synthesising these key ideas, theories and concepts into a summary of what is known
• Discussing and evaluating these ideas, theories and concepts
• Identifying particular areas of debate or controversy
• Preparing the ground for the application of these ideas to new research

Finding and choosing material

Ensure you are clear on what you are looking for. ask yourself:.

• What is the specific question, topic or focus of my assignment?
• What kind of material do I need (e.g. theory, policy, empirical data)?
• What type of literature is available (e.g. journals, books, government documents)?

What kind of literature is particularly authoritative in this academic discipline (e.g. psychology, sociology, pharmacy)?

How much do you need?

This will depend on the length of the dissertation, the nature of the subject, and the level of study (undergraduate, Masters, PhD). As a very rough rule of thumb – you may choose 8-10 significant pieces (books and/or articles) for an 8,000 word dissertation, up to 20 major pieces of work for 12-15,000 words, and so on. Bear in mind that if your dissertation is based mainly around an interaction with existing scholarship you will need a longer literature review than if it is there as a prelude to new empirical research. Use your judgement or ask your supervisor for guidance.

Where to find suitable material

Your literature review should include a balance between substantial academic books, journal articles and other scholarly publications. All these sources should be as up-to-date as possible, with the exception of ‘classic texts’ such as major works written by leading scholars setting out formative ideas and theories central to your subject. There are several ways to locate suitable material:

Module bibliography: for undergraduate dissertations, look first at the bibliography provided with the module documentation. Choose one or two likely looking books or articles and then scan through the bibliographies provided by these authors. Skim read some of this material looking for clues: can you use these leads to identify key theories and authors or track down other appropriate material?

Library catalogue search engine: enter a few key words to capture a range of items, but avoid over-generalisations; if you type in something as broad as ‘social theory’ you are likely to get several thousand results. Be more specific: for example, ‘Heidegger, existentialism’. Ideally, you should narrow the field to obtain just a few dozen results. Skim through these quickly to identity texts which are most likely to contribute to your study.

Library bookshelves: browse the library shelves in the relevant subject area and examine the books that catch your eye. Check the contents and index pages, or skim through the introductions (or abstracts, in the case of journal articles) to see if they contain relevant material, and replace them if not. Don’t be afraid to ask one of the subject librarians for further help. Your supervisor may also be able to point you in the direction of some of the important literature , but remember this is your literature search, not theirs.

Online: for recent journal articles you will almost certainly need to use one of the online search engines. These can be found on the ‘Indexing Services’ button on the Templeman Library website. Kent students based at Medway still need to use the Templeman pages to access online journals, although you can get to these pages through the Drill Hall Library catalogue. Take a look as well at the Subject Guides on both the Templeman and DHL websites.

Check that you have made the right selection by asking:

• Has my search been wide enough to ensure that I have identified all the relevant material, but narrow enough to exclude irrelevant material?
• Is there a good enough sample of literature for the level (PhD, Masters, undergraduate) of my dissertation or thesis?
• Have I considered as many alternative points of view as possible?
• Will the reader find my literature review relevant and useful?

Assessing the literature

Read the material you have chosen carefully, considering the following:

• The key point discussed by the author: is this clearly defined
• What evidence has the author produced to support this central idea?
• How convincing are the reasons given for the author’s point of view?
• Could the evidence be interpreted in other ways?
• What is the author's research method (e.g. qualitative, quantitative, experimental, etc.)?
• What is the author's theoretical framework (e.g. psychological, developmental, feminist)?
• What is the relationship assumed by the author between theory and practice?
• Has the author critically evaluated the other literature in the field?
• Does the author include literature opposing their point of view?
• Is the research data based on a reliable method and accurate information?
• Can you ‘deconstruct’ the argument – identify the gaps or jumps in the logic?
• What are the strengths and limitations of this study?
• What does this book or article contribute to the field or topic?
• What does this book or article contribute to my own topic or thesis?

As you note down the key content of each book or journal article (together with the reference details of each source) record your responses to these questions. You will then be able to summarise each piece of material from two perspectives:     

Content: a brief description of the content of the book or article. Remember, an author will often make just one key point; so, what is the point they are making, and how does it relate to your own research project or assignment?

Critical analysis: an assessment of the relative strengths and weaknesses of the evidence used, and the arguments presented. Has anything conveniently been left out or skated over? Is there a counter-argument, and has the author dealt with this adequately? Can the evidence presented be interpreted another way? Does the author demonstrate any obvious bias which could affect their reliability? Overall, based on the above analysis of the author’s work, how do you evaluate its contribution to the scholarly understanding and knowledge surrounding the topic?    

Structuring the literature review

In a PhD thesis, the literature review typically comprises one chapter (perhaps 8-10,000 words), for a Masters dissertation it may be around 2-3,000 words, and for an undergraduate dissertation it may be no more than 2,000 words. In each case the word count can vary depending on a range of factors and it is always best, if in doubt, to ask your supervisor.

The overall structure of the section or chapter should be like any other: it should have a beginning, middle and end. You will need to guide the reader through the literature review, outlining the strategy you have adopted for selecting the books or articles, presenting the topic theme for the review, then using most of the word limit to analyse the chosen books or articles thoroughly before pulling everything together briefly in the conclusion.

Some people prefer a less linear approach. Instead of simply working through a list of 8-20 items on your book review list, you might want to try a thematic approach, grouping key ideas, facts, concepts or approaches together and then bouncing the ideas off each other. This is a slightly more creative (and interesting) way of producing the review, but a little more risky as it is harder to establish coherence and logical sequencing.

Whichever approach you adopt, make sure everything flows smoothly – that one idea or book leads neatly to the next. Take your reader effortlessly through a sequence of thought that is clear, accurate, precise and interesting. 

Writing up your literature review

As with essays generally, only attempt to write up the literature review when you have completed all the reading and note-taking, and carefully planned its content and structure. Find an appropriate way of introducing the review, then guide the reader through the material clearly and directly, bearing in mind the following:

• Be selective in the number of points you draw out from each piece of literature; remember that one of your objectives is to demonstrate that you can use your judgement to identify what is central and what is secondary.
• Summarise and synthesise – use your own words to sum up what you think is important or controversial about the book or article.
• Never claim more than the evidence will support. Too many dissertations and theses are let down by sweeping generalisations. Be tentative and careful in the way you interpret the evidence.
• Keep your own voice – you are entitled to your own point of view provided it is based on evidence and clear argument.
• At the same time, aim to project an objective and tentative tone by using the 3rd person, (for example, ‘this tends to suggest’, ‘it could be argued’ and so on).
• Even with a literature review you should avoid using too many, or overlong, quotes. Summarise material in your own words as much as possible. Save the quotes for ‘punch-lines’ to drive a particular point home.
• Revise, revise, revise: refine and edit the draft as much as you can. Check for fluency, structure, evidence, criticality and referencing, and don’t forget the basics of good grammar, punctuation and spelling.

Home → Academic Writing → How to Start a Literature Review (Like a Pro)

How to Start a Literature Review (Like a Pro)

Jordan Kruszynski

• June 26, 2023

Ah, how to start a literature review – those words will be all too familiar to battle-hardened researchers, but to the rest of us, they may be a bit of a mystery.

Are you a student trying to get ahead of the game with your first literature review? Or are you a professional looking to learn more about literature reviews? If so, then this post is for you.

In this article, we’ll discuss how to start a literature review, the types of sources used in literature reviews, and the benefits of writing them. We’ll also outline the steps for preparing and writing your own literature review.

Read on and let the magic begin!

Literature Reviews – The Researcher’s Friend

A literature review is an essential part of any research project. It is a compilation of all the literature and research related to a particular topic. It is used to provide context and background for a research project. Literature reviews are important for two primary reasons. First, they provide a comprehensive and objective review of the existing literature on a topic. Second, they provide support for any conclusions or hypotheses that may be drawn from the research.

Literature reviews are used in many different fields, including business, education, and the sciences. They are used to provide an overview of a topic and to support the conclusions and hypotheses of a research project.

What is a Literature Review?

A literature review is a critical appraisal of existing research on a particular topic . It is a systematic and comprehensive review of all the published work in a particular field. The purpose of a literature review is to provide an overview of the existing research on a topic, to identify gaps in the literature, and to propose new directions for future research.

The literature review is an important part of the research process and should be conducted thoroughly and objectively. It should include a critical analysis of the existing literature, an evaluation of the research methods used, and an assessment of the quality of the evidence.

Types of Literature Review

There are several different types of literature reviews. They include narrative reviews, systematic reviews, meta-analyses, and scoping reviews.

• Narrative reviews are the most common type of literature review. They provide an overview of the existing literature on a topic. Narrative reviews typically include an introduction, a review of the literature, and a conclusion.
• Systematic reviews are more rigorous and comprehensive than narrative reviews. They involve rigorous and systematic searches of the literature and include a critical appraisal of the evidence. Systematic reviews are typically used in clinical research.
• Meta-analyses are reviews that combine the results of multiple studies to evaluate the overall effect of a particular treatment or intervention. Meta-analyses are more rigorous and comprehensive than narrative reviews and systematic reviews.
• Scoping reviews are used to identify the range of research on a particular topic. They are typically used to identify gaps in the literature and to propose new directions for future research.

Sourcing Pieces for Your Review

When conducting a literature review, it is important to use a variety of sources. These sources include journal articles, books, conference proceedings, dissertations, and other academic sources. It is also important to use a variety of search strategies to identify the most relevant and up-to-date sources.

Research papers will probably form the bulk of your literature review, and this is where Audemic can help – simply load any papers you want to use into the app, and you can organise them intuitively to make sourcing a breeze.

It is important to note that not all sources are created equal. Some sources may be more reliable than others. When evaluating sources for your literature review, it is important to consider their credibility, relevance, accuracy, and objectivity.

Benefits of Literature Reviews

Literature reviews are an essential part of any research project. They provide an overview of the existing literature on a topic and can be used to identify gaps in the literature, as well as propose new directions for future research. They also provide support for any conclusions or hypotheses that may be drawn from the research.

Literature reviews can also help researchers save time and money. By conducting a thorough and comprehensive review of the existing literature, researchers can avoid redundant research and save time and money.

How to Start a Literature Review

Now that you understand the purpose and benefits of a literature review, it’s time to learn how to start one. The first step in starting a literature review is to identify a topic. Once you have identified a topic, you can start searching for sources.

When searching for sources, it is important to use a variety of search strategies, such as keyword searches, author searches, and database searches. It is also important to use a variety of sources, such as journal articles, books, conference proceedings, and dissertations.

Preparing for Your Literature Review

Once you have identified and located the sources for your literature review, it is time to start preparing. Before you begin writing, it is important to read and analyse each source. This will help you identify the key points of each source and understand how it contributes to the literature on your topic.

It is also important to organise your sources. This can be done by creating a spreadsheet or using a reference management software, such as Mendeley or Zotero. This will help you keep track of your sources and make it easier to cite them in your literature review.

Did somebody say Zotero? Audemic features Zotero integration, so you can not only organise your sources, but also listen to them when you need a change of pace. Nice, eh?

Searching for Sources for Your Review

Now that you have identified a topic and prepared your sources, it’s time to start searching for additional sources. When searching for sources, it is important to use a variety of search strategies. These search strategies include keyword searches, author searches, database searches, and library catalogue searches.

It is also important to use a variety of sources. These sources include journal articles, books, conference proceedings, dissertations, and other academic sources. It is also important to consider the credibility, relevance, accuracy, and objectivity of each source.

Writing and Structuring Your Literature Review

Once you have identified and located the sources for your literature review, it is time to start writing. When writing your literature review, it is important to keep the structure and organisation in mind. Your literature review should include an introduction, a review of the literature, and a conclusion.

• When writing your introduction , it is important to provide context for your topic. This should include an explanation of the purpose of the literature review and a description of the research question.
• The review of the literature should provide an overview of the existing literature on the topic. It should include a summary of each source and an analysis of the evidence. It should also include an evaluation of the research methods used and an assessment of the quality of the evidence.
• Finally, the conclusion should summarise the key points of the literature review and provide recommendations for future research.

Final Thoughts

A literature review is an essential part of any research project, so it pays to master this critical academic skill. And with the guidance in this post, you should be well on your way to knowing how to start a literature review for yourself. By putting it into practice, you can unlock your writing potential and produce a thorough, engaging and comprehensive literature review.

So what are you waiting for? Search for those sources and get started! And why not use Audemic to speed up the review process and boost it into the cosmos!

Keep striving, researchers! ✨

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How to Write a Literature Review

• What Is a Literature Review
• What Is the Literature

Writing the Review

Why Are You Writing This?

There are two primary points to remember as you are writing your literature review:

• Stand-alone review: provide an overview and analysis of the current state of research on a topic or question
• Research proposal: explicate the current issues and questions concerning a topic to demonstrate how your proposed research will contribute to the field
• Research report: provide the context to which your work is a contribution.
• Write as you read, and revise as you read more. Rather than wait until you have read everything you are planning to review, start writing as soon as you start reading. You will need to reorganize and revise it all later, but writing a summary of an article when you read it helps you to think more carefully about the article. Having drafts and annotations to work with will also make writing the full review easier since you will not have to rely completely on your memory or have to keep thumbing back through all the articles. Your draft does not need to be in finished, or even presentable, form. The first draft is for you, so you can tell yourself what you are thinking. Later you can rewrite it for others to tell them what you think.

General Steps for Writing a Literature Review

Here is a general outline of steps to write a thematically organized literature review. Remember, though, that there are many ways to approach a literature review, depending on its purpose.

• Stage one: annotated bibliography. As you read articles, books, etc, on your topic, write a brief critical synopsis of each. After going through your reading list, you will have an abstract or annotation of each source you read. Later annotations are likely to include more references to other works since you will have your previous readings to compare, but at this point the important goal is to get accurate critical summaries of each individual work.
• Stage two: thematic organization. Find common themes in the works you read, and organize the works into categories. Typically, each work you include in your review can fit into one category or sub-theme of your main theme, but sometimes a work can fit in more than one. (If each work you read can fit into all the categories you list, you probably need to rethink your organization.) Write some brief paragraphs outlining your categories, how in general the works in each category relate to each other, and how the categories relate to each other and to your overall theme.
• Stage three: more reading. Based on the knowledge you have gained in your reading, you should have a better understanding of the topic and of the literature related to it. Perhaps you have discovered specific researchers who are important to the field, or research methodologies you were not aware of. Look for more literature by those authors, on those methodologies, etc. Also, you may be able to set aside some less relevant areas or articles which you pursued initially. Integrate the new readings into your literature review draft. Reorganize themes and read more as appropriate.
• Stage four: write individual sections. For each thematic section,  use your draft annotations (it is a good idea to reread the articles and revise annotations, especially the ones you read initially) to write a section which discusses the articles relevant to that theme. Focus your writing on the theme of that section, showing how the articles relate to each other and to the theme, rather than focusing your writing on each individual article. Use the articles as evidence to support your critique of the theme rather than using the theme as an angle to discuss each article individually.
• Stage five: integrate sections. Now that you have the thematic sections, tie them together with an introduction, conclusion, and some additions and revisions in the sections to show how they relate to each other and to your overall theme.

Specific Points to Include

More specifically, here are some points to address when writing about specific works you are reviewing. In dealing with a paper or an argument or theory, you need to assess it (clearly understand and state the claim) and analyze it (evaluate its reliability, usefulness, validity). Look for the following points as you assess and analyze papers, arguments, etc. You do not need to state them all explicitly, but keep them in mind as you write your review:

• Be specific and be succinct. Briefly state specific findings listed in an article, specific methodologies used in a study, or other important points. Literature reviews are not the place for long quotes or in-depth analysis of each point.
• Be selective. You are trying to boil down a lot of information into a small space. Mention just the most important points (i.e. those most relevant to the review's focus) in each work you review.
• Is it a current article? How old is it? Have its claims, evidence, or arguments been superceded by more recent work? If it is not current, is it important for historical background?
• What specific claims are made? Are they stated clearly?
• What evidence, and what type (experimental, statistical, anecdotal, etc) is offered? Is the evidence relevant? sufficient?
• What arguments are given? What assumptions are made, and are they warranted?
• What is the source of the evidence or other information? The author's own experiments, surveys, etc? Historical records? Government documents? How reliable are the sources?
• Does the author take into account contrary or conflicting evidence and arguments? How does the author address disagreements with other researchers?
• What specific conclusions are drawn? Are they warranted by the evidence?
• How does this article, argument, theory, etc, relate to other work?

These, however, are just the points that should be addressed when writing about a specific work. It is not an outline of how to organize your writing. Your overall theme and categories within that theme should organize your writing, and the above points should be integrated into that organization. That is, rather than write something like:

     Smith (2019) claims that blah, and provides evidence x to support it, and says it is probably because of blip. But Smith seems to have neglected factor b.      Jones (2021) showed that blah by doing y, which, Jones claims, means it is likely because of blot. But that methodology does not exclude other possibilities.      Johnson (2022) hypothesizes blah might be because of some other cause.

list the themes and then say how each article relates to that theme. For example:

     Researchers agree that blah (Smith 2019, Jones 2021, Johnson 2022), but they do not agree on why. Smith claims it is probably due to blip, but Jones, by doing y, tries to show it is likely because of blot. Jones' methodology, however, does not exclude other possibilities. Johnson hypothesizes ...

• << Previous: What Is the Literature
• Last Updated: Jan 11, 2024 9:48 AM
• URL: https://libguides.wesleyan.edu/litreview

• Academic Writing Guides

How to Write a Literature Review? A Beginner’s Guide

Sooner or later in your academic path, you will be required to compose a literature review. So, it’s important to approach this task well-prepared and understand how to write a literature review inside out. 

Are you interested in how to write lit review projects correctly and cover the subject comprehensively, from all angles? This article will explore the concept of review of literature , dwell on how to write a literature review in line with your professor’s expectations, and share a universal literature review template for your usage. 

What Is the Purpose of a Literature Review? 

To understand what should be included in a literature review , you need to understand its purpose and value in a larger work. A well-researched and written lit review usually addresses the following objectives: 

• Inform . The fundamental purpose of any review of literature is to provide the foundation of knowledge on a specific topic or phenomenon. You explore what people have learned about it from prior studies and summarize those findings to inform your readers. 
• Give credit . Another purpose of a lit review is to identify researchers who have contributed to the advancement of research on your chosen literature review topic and have produced the most valuable findings. This way, you pay tribute to those researchers and showcase your knowledge of the most considerable influencers. 
• Identify gaps . By performing a thorough review of literature , you may not only discover what is known about your topic but also find out what it yet to be learned about it. As a result of reviewing the available evidence, you may identify gaps for addressing through your academic inquiry. 
• Identify patterns . Those who know how to write a literature review can also effectively embrace data trends and patterns in the collected dataset. As a result, they can present a more nuanced analysis of the existing knowledge in your literature review and uncover dependencies that inform people’s understanding of certain phenomena and processes.  
• Contextualize research . When you perform lit review writing, you can also create a spot for your own study within the broad field of your academic research interest. This way, you show to your readers that you can effectively navigate the landscape of your academic area. 

These purposes lay the foundation for understanding how to write a literature review that will attain all academic goals. You simply need to use this list as your checklist for structuring an impactful lit review and including all vital data in it. 

How to Write a Literature Review? 

Now, we come to the main topic of this article – how to write a good literature review for dissertation projects, research papers, and other works. Follow the steps we’ve covered below to arrive at a consistent, logical piece of lit review . 

Identify Relevant Sources 

Any literature review writing starts with academic research. You should look for sources that explore your topic from various angles and provide valuable literature review findings to expand your knowledge on the subject. It’s best to look for subject-specific books first and then go through academic databases that publish journal articles. This way, you will start with the evidence of the highest reliability level and move on to expand your literature review dataset conveniently. 

Screen Sources for Quality 

The best solution on how to write a literature review without challenges is to rely on high-quality evidence. Your task is to research extensively in reliable academic databases to find peer-reviewed academic journals and books written by experts in your field. Don’t over-rely on online sources in your literature review, like blogs or opinion pieces, because they rarely possess the needed degree of credibility for an academic review. By choosing only industry-approved sources from qualified professionals, you can build a solid foundation for your writing and impress the audience. 

Determine Data Patterns and Gaps 

How to write a literature review of value for your readers? One of the best approaches is to go beyond mere summarization of what other researchers have found on the subject and to apply critical thinking and data categorization. This way, you will manage to uncover existing patterns and trends and examine those dependencies in your literature review. A systematic, critical approach is always evaluated much higher than a simple outline of what people say on your subject. 

Draft an Outline 

Now, it’s time to compose an outline for a literature review . The outline should include the main concepts you’re planning to cover in the literature review text and should structure the narrative consistently. By means of composing an outline before the actual writing process, you give yourself a hands-on roadmap for composing a logically flowing piece. As a result of using an outline, you will write the literature review faster and will avoid the risk of going off-topic. 

Compose the Review 

With a good and detailed outline, you should have no more problems or concerns about how to write a literature review . The writing process should go quickly and smoothly when you have all your evidence at your fingertips, categorized by themes and requiring only proper summarization in the text. 

We recommend starting with a broad introduction to the topic and concepts related to it. You should give definitions and explain the topic’s features and components that require attention in the research process. After that, you may briefly outline the main sections of your review and then proceed to the exploration of each section in depth. 

At times, your professor will give you a specific structure for review writing – such as the general introduction, coverage of theories, and then coverage of empirical evidence. At times, it may be a review of the data search strategy and a report on the identified resources that follow. In any case, you should follow the tutor’s prompt closely to ensure compliance with the task. 

Make Use of This Generic Literature Review Template 

Looking for a universal, ready-to-use literature review template ? Here is an effective literature review template that everyone can apply with minor tweaks to produce a high-quality review of literature . 

LITERATURE REVIEW TEMPLATE 

Introduction 

• Introduce the topic of your literature review 
• Examine its significance for your academic area 
• Determine the scope of your literature review inquiry 
• Give a brief outline of subtopics and sections included in your literature review 

Body of the literature review

• Describe the subtopic and indicate how it relates to your literature review’s main idea
• Summarize the evidence available about it 
• Compare the available data and voice your opinion 

Conclusion 

• Summarize the main points and findings from your literature review 
• State the main contribution you have managed to achieve 
• Identify the research gaps your literature review has revealed 

Use this literature review template to pump your writing muscle and get ready for new literature review challenges. 

More Pro Tips for Writing a Literature Review 

If you’re still unsure about how to do a literature review with excellence, these pro tips may improve your understanding of this task type. 

• Mind the audience . Understanding how to do a literature review for a research paper often has little to do with how to write literature review for thesis . This difference is explained by the fact that these types of academic work are of different lengths and pursue different scholarly goals. This way, you may need to cover only some basic seminal research in the review of literature for a research paper but will need to dig deeper into theoretical and applied research with deeper analysis and more critical thinking when dealing with a thesis.
• Mind the length . How long should a literature review be ? This is a vital question that you should answer before starting the outlining and writing process. Ask your professor if you’re not sure or apply the rule of thumb, where this section usually takes from 15% to 25% of the entire paper. 
• Mind the structure . It’s important to cover all lit review aspects that your professor wants to see in the paper; otherwise, you risk getting a low grade even if your literature review is comprehensive and interesting. What should a literature review include ? In most cases, you will be required to cover some seminal research works in your literature review to show that you understand who the pioneers in the field are, and what contribution they have made to the topic’s exploration. Next, you should examine relevant theories that inform studies in your subject. At the end of the literature review, you should typically cite a variety of studies of applied nature, thus showing what empirical research is conducted in your academic field.  

With these recommendations at your disposal, you’re sure to become much more proficient in how to do a lit review . If you need more help with a literature review project, welcome to use our professional and quick literature review writing service . Our experts know everything about how to write a literature review , so they will handle your literature review task with ease within the timeframe you set for them.

• Essay Writing Guides

17 strong academic phrases to write your literature review (+ real examples)

A well-written academic literature review not only builds upon existing knowledge and publications but also involves critical reflection, comparison, contrast, and identifying research gaps. The following 17 strong academic key phrases can assist you in writing a critical and reflective literature review.

Disclosure: This post may contain affiliate links, which means I may earn a small commission if you make a purchase using the links below at no additional cost to you . I only recommend products or services that I truly believe can benefit my audience. As always, my opinions are my own.

Academic key phrases to present existing knowledge in a literature review

The topic has received significant interest within the wider literature., the topic gained considerable attention in the academic literature in….

Example:  “ The relationship between BITs and FDI gained considerable attention in the academic literature in the last two decades .” ( Amendolagine and Prota, 2021, p. 173 )

Studies have identified…

Researchers have discussed…, recent work demonstrated that….

Example: “Recent work demonstrated that dune grasses with similar morphological traits can build contrasting landscapes due to differences in their spatial shoot organization.” ( Van de Ven, 2022 et al., p. 1339 )

Existing research frequently attributes…

Prior research has hypothesized that…, prior studies have found that….

You may also like: 26 powerful academic phrases to write your introduction (+ real examples)

Academic key phrases to contrast and compare findings in a literature review

While some scholars…, others…, the findings of scholar a showcase that… . scholar b , on the other hand, found…, interestingly, all the arguments refer to….

Example:  “Interestingly, all the arguments above refer to daily role transitions—more specifically: role transitions on teleworking days—as an important explanatory mechanism for both the possible conflict-reducing effect and the potential conflict enhancing effects of telework.”  ( Delanoeije et al., 2019, p. 1845 )

This argument is similar to…

Example: “The third argument against physician involvement in lethal injection is that physicians are prohibited from deliberately harming patients or the argument from nonmaleficence. This argument is similar to the argument from healing but has different implications and must therefore be considered independently.” ( Sawicki, 2022, p. 22 )

Academic key phrases to highlight research gaps in a literature review

Yet, it remains unknown how…, there is, however, still little research on…, existing studies have failed to address….

Example: “ University–industry relations (UIR) are usually analysed by the knowledge transfer channels, but existing studies have failed to address what knowledge content is being transferred – impacting the technology output aimed by the partnership.”  (Dalmarco et al. 2019, p. 1314 )

Several scholars have recommended to move away…

New approaches are needed to address…, master academia, get new content delivered directly to your inbox, 26 powerful academic phrases to write your introduction (+ real examples), 13 awesome academic phrases to write your methodology (+ real examples), related articles, juggling research and teaching obligations, major revisions: sample peer review comments and examples, how to paraphrase a quote: 4 simple strategies, reject decisions: sample peer review comments and examples.

How To Use Litmaps To Create A Litmap For Literature Review

Performing a comprehensive literature review can be daunting, but with Litmaps, you can supercharge the process.

Litmaps is an innovative tool that helps researchers discover, organise, and visualise academic papers through interactive literature maps. 

In this post, I will walk you through using Litmaps to enhance your research productivity and streamline your workflow.

What Is Litmaps And How Does It Work?

Litmaps is an essential tool for researchers, offering an interactive way to map out the scientific literature landscape.

You start by entering a topic or a specific paper into the app. Litmaps then creates a litmap, visually showing how articles are connected through citations.

This helps you see the key moments in the research field and understand the relationships between papers.

Using Litmaps, you can find academic papers that you might not discover through traditional searches. It’s particularly useful for students and PhD candidates who need to accelerate their literature review process.

By visualising the connections, you can stay updated on new research and organise your data effectively.

The seed function is a game-changer. You add a single paper, and Litmaps generates a network of related articles, showing who cited whom.

This makes it easier to find relevant literature and understand how different studies are interconnected. You can:

• tag articles,
• create collections, and even
• share your literature maps with colleagues.

Imagine the productivity boost from not having to manually search for new papers! For those looking to make their research process more efficient and comprehensive, Litmaps is the tool to use. 

How To Use Litmaps To Perform Literature Review?

Step 1: get a free account.

To use Litmaps for performing a literature review, start by setting up a free account on their app. Once you’re logged in, the quick search feature becomes your primary tool.

Enter the topic or specific paper you’re interested in, and Litmaps will generate a litmap, a visual representation of the academic literature connected through citations.

Step 2: Find A Key Paper

Begin by finding a key article relevant to your research. If you’re studying the effects of urbanisation on bird migration, you might start with a highly-cited paper like “Bird Migration Advances More Strongly in Urban Environments.”

Enter this into Litmaps’ search bar, and the app will create a litmap with your chosen paper at the centre.

The surrounding nodes represent articles that are either cited by or cite your key paper, helping you see the entire landscape of related research.

Step 3: Expand View To Find Relevant Papers

Use the seed function to expand your view. By adding your key paper, Litmaps will display related articles, showing who cited whom. This helps you discover relevant literature you might otherwise miss.

You may find recent papers published that offers a new perspective on your topic. This feature is especially useful for PhD students or academic researchers who need to cover a vast amount of literature efficiently.

Step 4: Add Articles & Transcripts

As you explore, you can add articles to your collection. Tagging them based on subtopics or themes as you read along will help you stay organised.

You might tag articles under “urbanisation effects” or “bird migration patterns.” This organisation system is crucial for managing large volumes of information and ensures you can easily find and reference articles later.

Step 5: Monitor Papers, Researchers

Monitoring is another powerful feature. Litmaps can run searches weekly and notify you of new articles related to your topic.

This pro option is a time-saver, ensuring you stay updated without having to manually search for new papers. Imagine the productivity boost from having the latest research delivered to you automatically.

Step 6: Visualise Your Work

Visualising connections between articles helps you understand the broader context of your research. You can see which articles are most influential based on how many times they are cited.

This not only helps you identify key papers but also guides you on what to read next. The interactive nature of Litmaps makes this process engaging and intuitive.

Step 7: Share Your Work

Sharing your findings is simple. You can generate a public URL or share via email, making collaboration with colleagues seamless.

This is particularly useful when working on a joint project or when you want feedback from peers.

You can also export data in various formats such as:

This feature should be handy for integrating Litmaps into your writing software or reference manager.

Step 8: Keep Track Of Researches & Stay Organised

Using Litmaps also means you can stay organised throughout your literature review.

All articles you add to your litmap are automatically saved, making it easy to track your progress.

You can access your saved articles by clicking “Articles” at the top right, where you can also export your list. Tags further help in categorising your literature, allowing you to create a structured overview of your research.

Litmaps: Organise Research Papers & Create Litmap

Litmaps is more than just a search tool; it’s a comprehensive guide through the entire literature review process.

By leveraging its features, you can accelerate your research, stay organised, and ensure you’re always up-to-date with the latest developments in your field.

Whether you’re a student or a seasoned researcher, Litmaps is designed to enhance your productivity and deepen your understanding of the scientific literature.

If you are looking for a step-by-step process to conduct literature review, feel free to check out my video guide:

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How ‘Eruption,’ the new Michael Crichton novel completed with James Patterson’s help, was created

When Michael Crichton died from cancer in 2008, his wife Sherri was pregnant with their son John Michael. Sherri is now CEO of CrichtonSun and works to preserve Michael’s work and keep his legacy alive primarily for their son and Michael’s daughter Taylor. A new Crichton novel ‘Eruption,” finished by James Patterson, is now available. (June 4)

Sherri Crichton poses for a portrait on Tuesday, May 21, 2024, in Los Angeles to promote “Eruption,” a book by her late husband Michael Crichton, co-authored by James Patterson. (Photo by Willy Sanjuan/Invision/AP)

• Copy Link copied

This cover image released by Little, Brown and Co. shows “Eruption” by Michael Crichton and James Patterson. (Little, Brown and Co. via AP)

When “Jurassic Park” author Michael Crichton died from cancer in 2008, he left behind numerous unfinished projects, including a manuscript he began 20 years ago about the imminent eruption of Mauna Loa, the world’s largest active volcano.

Crichton’s widow Sherri, who is CEO of CrichtonSun, tapped another millions-selling author — James Patterson— to complete the story. “Eruption” is now in stores.

Patterson is very familiar with co-authoring. In recent years he’s published a novel with Bill Clinton and Dolly Parton, and often shares writing responsibilities on his other novels.

For “Eruption,” Crichton says she gave Patterson all of her husband’s research and he came back with an outline. Some of the story needed to be brought forward to present day. “We talked probably every few weeks,” Sherri Crichton says. “It was so much fun to read. It would be hard to tell what was Crichton and what’s Patterson’s.”

Besides “Eruption,” four novels have been published under Michael Crichton’s name since his death, some with the help of other writers . Sherri Crichton says to expect “other Michael Crichton adventures” in the future.

Crichton spoke with The Associated Press about her husband’s legacy. Answers have been edited for clarity and brevity.

AP: You’ve worked hard to preserve Michael’s archive. Why is that important to you?

CRICHTON: When Michael died I was pregnant with our son. I was like, “How am I going to raise our son with him not knowing his father?” So I had to go searching for Michael, and I found him through his papers, which is so remarkable. It gives me so much joy to bring things like “Eruption” to life, because it really does allow John Michael the opportunity to really know his father. That’s why I do what I do. It’s for the love of him and Michael’s daughter Taylor.

AP: What did you discover from those papers?

CRICHTON: Michael had structure and discipline. He was constantly moving all of his projects around. When he wrote “Jurassic Park” he was also writing four or five other books at the exact same time. He charted everything. How many words he wrote in a day, how many pages, how did that compare to other days, how long it took. Then he would have different charts that would compare what one book was doing compared to, say, for instance, “Fear” or “Disclosure.” Then he would have another chart that would track the amount of time it would take to publication, the amount of time it took to sell the movie rights, then for the movie to be released.

AP: Sometimes when people are so cerebral, they struggle socially. Did Michael?

CRICHTON: The person I knew was this incredibly kind, loving, humble, wonderful man that was a great father and incredible husband and fun to be around. I will say he was famous for his his pregnant pauses. When writing a book, the pauses would be longer. You didn’t know if he was really at the table. He was working something out and he would isolate to land that plane.

At first it was very shocking when he was in the zone, but I learned to very much respect that. Like, “I’m not going anywhere. He’s not going anywhere. And I can’t wait to read the book.”

AP: When do you feel closest to Michael?

CRICHTON: I still live in our home. I still have the office, which is at home. I honestly feel that he’s always in the other room writing. I really don’t ever feel disconnected to him. And our son is such the spitting image of him. John Michael has never known his father, and he has some of the exact characteristics of Michael. He’s very cerebral. He’s very articulate. He’s a sucker for a great book and research. And he’s a really good writer.

• DOI: 10.3390/app14125068
• Corpus ID: 270409635

From Large Language Models to Large Multimodal Models: A Literature Review

• Dawei Huang , Chuan Yan , +1 author Xiaojiang Peng
• Published in Applied Sciences 11 June 2024
• Computer Science, Linguistics

21 References

A review on large language models: architectures, applications, taxonomies, open issues and challenges, knowledge inheritance for pre-trained language models, bliva: a simple multimodal llm for better handling of text-rich visual questions, cpm: a large-scale generative chinese pre-trained language model, what changes can large-scale language models bring intensive study on hyperclova: billions-scale korean generative pretrained transformers, wudaocorpora: a super large-scale chinese corpora for pre-training language models, gpt understands, too, cpm-2: large-scale cost-effective pre-trained language models, ernie 2.0: a continual pre-training framework for language understanding, language models are unsupervised multitask learners, related papers.

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Doctor, when should i start walking revisiting postoperative rehabilitation and weight-bearing protocols in operatively treated acetabular fractures: a systematic review and meta-analysis.

1. Introduction

2. materials and methods, 2.1. search strategy, 2.2. study selection, 2.3. data extraction and outcome measures, 2.4. assessment of the risk of bias, 2.5. statistical analysis, 3.1. selection of studies, 3.2. characteristics of the studies, 3.3. sample demographics, 3.4. perioperative parameters and form of treatment, 3.5. quality of reduction, 3.6. postoperative rehabilitation protocol, 3.7. outcome measurements and complications, 3.8. meta-analytic regression, 4. discussion, 5. conclusions, author contributions, institutional review board statement, informed consent statement, data availability statement, acknowledgments, conflicts of interest.

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Share and Cite

Giordano, V.; Pires, R.E.; Faria, L.P.G.d.; Temtemples, I.; Macagno, T.; Freitas, A.; Joeris, A.; Giannoudis, P.V. Doctor, When Should I Start Walking? Revisiting Postoperative Rehabilitation and Weight-Bearing Protocols in Operatively Treated Acetabular Fractures: A Systematic Review and Meta-Analysis. J. Clin. Med. 2024 , 13 , 3570. https://doi.org/10.3390/jcm13123570

Giordano V, Pires RE, Faria LPGd, Temtemples I, Macagno T, Freitas A, Joeris A, Giannoudis PV. Doctor, When Should I Start Walking? Revisiting Postoperative Rehabilitation and Weight-Bearing Protocols in Operatively Treated Acetabular Fractures: A Systematic Review and Meta-Analysis. Journal of Clinical Medicine . 2024; 13(12):3570. https://doi.org/10.3390/jcm13123570

Giordano, Vincenzo, Robinson Esteves Pires, Luiz Paulo Giorgetta de Faria, Igor Temtemples, Tomas Macagno, Anderson Freitas, Alexander Joeris, and Peter V. Giannoudis. 2024. "Doctor, When Should I Start Walking? Revisiting Postoperative Rehabilitation and Weight-Bearing Protocols in Operatively Treated Acetabular Fractures: A Systematic Review and Meta-Analysis" Journal of Clinical Medicine 13, no. 12: 3570. https://doi.org/10.3390/jcm13123570

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