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Cohesion And Coherence In Essay Writing

Table of contents, introduction, definitions cohesion and coherence, what is coherence, what is cohesion.

If the elements of a text are cohesive, they are united and work together or fit well together.

How to Achieve Cohesion And Coherence In Essay Writing

Lexical cohesion, grammatical cohesion, substitutions, conjunctions transition words, cohesive but not coherent texts.

The player threw the ball toward the goalkeeper. Balls are used in many sports. Most balls are spheres, but American football is an ellipsoid. Fortunately, the goalkeeper jumped to catch the ball. The crossbar in the soccer game is made of iron. The goalkeeper was standing there.

How to write a coherent essay?

1. start with an outline, 2. structure your essay.

3. Structure your paragraphs

4. relevance to the main topic, 5. stick to the purpose of the type of essay you’re-writing, 6. use cohesive devices and signposting phrases.

What is signposting in writing?

Essay signposting phrases.

7. Draft, revise, and edit

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• Proving the Thesis

Unity is the idea that all parts of the writing work to achieve the same goal: proving the thesis. Just as the content of a paragraph should focus on a topic sentence, the content of an essay must focus on the thesis.  The introduction paragraph introduces the thesis, the body paragraphs each have a proof point (topic sentence) with content that proves the thesis, and the concluding paragraph sums up the proof and restates the thesis. Extraneous information in any part of the essay that is not related to the thesis is distracting and takes away from the strength of proving the thesis.

An essay must have coherence. The sentences must flow smoothly and logically from one to the next as they support the purpose of each paragraph in proving the thesis.

Just as the last sentence in a paragraph must connect back to the topic sentence of the paragraph, the last paragraph of the essay should connect back to the thesis by reviewing the proof and restating the thesis.

Example of Essay with Problems of Unity and Coherence

Here is an example of a brief essay that includes a paragraph that does not support the thesis “Many people are changing their diets to be healthier.”

     People are concerned about pesticides, steroids, and antibiotics in the food they eat.  Many now shop for organic foods since they don’t have the pesticides used in conventionally grown food.  Meat from chicken and cows that are not given steroids or antibiotics are gaining popularity even though they are much more expensive. More and more, people are eliminating pesticides, steroids, and antibiotics from their diets.     Eating healthier also is beneficial to the environment since there are less pesticides poisoning the earth. Pesticides getting into the waterways is creating a problem with drinking water.  Historically, safe drinking water has been a problem. It is believed the Ancient Egyptians drank beer since the water was not safe to drink.  Brewing beer killed the harmful organisms and bacteria in the water from the Nile. There is a growing concern about eating genetically modified foods, and people are opting for non-GMO diets.  Some people say there are more allergic reactions and other health problems resulting from these foods.  Others are concerned because there are no long-term studies that clearly show no adverse health effects such as cancers or other illnesses. Avoiding GMO food is another way people are eating healthier food.

See how just one paragraph can take away from the effectiveness of the essay in showing how people are changing to healthier food since unity and coherence are affected. There is no longer unity among all the paragraphs. The thought pattern is disjointed and the essay loses its coherence.

Transitions and Logical Flow of Ideas

Transitions are words, groups of words, or sentences that connect one sentence to another or one paragraph to another.

They promote a logical flow from one idea to the next and overall unity and coherence.

While transitions are not needed in every sentence or at the end of every paragraph, they are missed when they are omitted since the flow of thoughts becomes disjointed or even confusing.

There are different types of transitions:

• Time – before, after, during, in the meantime, nowadays
• Space – over, around, under
• Examples – for instance, one example is
• Comparison – on the other hand, the opposing view
• Consequence – as a result, subsequently

These are just a few examples.  The idea is to paint a clear, logical connection between sentences and between paragraphs.

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Have you ever read a piece of writing and wondered what point the writer was trying to make? If so, that piece of writing probably lacked coherence. Coherence is an important aspect of good writing—as important as good grammar or spelling. However, it is also rather harder to learn how to do it, because it is not a matter of simple rules.

Coherent writing moves smoothly between ideas. It guides the reader through an argument or series of points using signposts and connectors. It generally has a clear structure and consistent tone, with little or no repetition. Coherent writing feels planned —usually because it is. This page provides some tips to help you to develop your ability to write coherently.

Defining Coherence

Dictionary definition of coherence

cohere , v. to stick together, to be consistent, to fit together in a consistent, orderly whole.

coherence , a sticking together, consistency.

Source: Chambers English Dictionary, 1989 edition.

The dictionary definition of coherence is clear enough—but what does that mean in practical terms for writers?

Once you have achieved coherence in your writing, you will find that:

Your sentences and ideas are connected and flow together;

Readers can move easily through the text from one sentence, paragraph or idea to the next; and

Readers will be able to follow the ideas and main points of the text.

On the other hand, a text that is NOT coherent jumps between ideas without making clear connections between them. It is often hard to follow the argument. Readers may find themselves unclear about the point of particular paragraphs or even whole sections. There may be odd sentences that do not fit well with the previous or following sentence, or paragraphs that repeat earlier ideas.

All these issues provide pointers for how to develop coherence.

Elements of Coherence

There are several different elements that contribute to coherence, or are closely linked to the concept.

They include:

Cohesion , or whether ideas are linked within and between sentences.

Unity , or the extent to which a sentence, paragraph or section focuses on a single idea or group or ideas. In any given paragraph, every sentence should be relevant to a single focus.

A joint effort

Together, cohesion and unity mean that sentences and paragraphs are connected around a central theme.

• Flow , or how the reader is led through the text. Some of this is about the ordering of ideas, but it also takes into account issues like phrasing, rhythm and style. Some people define flow as the quality that makes writing engaging and easy to read.

Levels of Coherence

We can consider coherence at several different levels. These include:

Within sentences. A sentence is coherent when it flows naturally, and uses correct grammar , spelling and punctuation . Coherence also includes the use of the most appropriate words, and avoidance of redundancy.

Between sentences . Coherence between sentences means that each sentence flows logically and naturally from the previous one. Connections are made between them so that readers can see the flow of ideas, and how each sentence is linked to the previous one.

Within paragraphs . This is a logical extension of coherence between sentences. Coherence within a paragraph means that the sentences within the paragraph work together as a whole to present a complete thesis or idea.

Why single-sentence paragraphs don’t work

This definition of ‘within paragraph’ coherence explains why you should (almost) never use single-sentence paragraphs. A single sentence is (almost) never going to be able to provide a complete summary of your thesis or idea.

Between paragraphs . For most pieces of writing, you will also need to consider how the paragraphs fit together. Each paragraph covers an idea or thesis—and must then be connected logically to the next paragraph, so that your overall thesis is built step-by-step.

Between subsections or sections . This final level of coherence is only really important for longer documents. You must create a logical flow between different sections, to guide your reader from one to the next so that they can follow the development of your ideas.

Techniques to Improve Coherence

The first step to improving coherence is to plan your writing in advance.

Decide on the main point that you want to make, and the ideas that will lead your reader towards your point. It is also helpful to consider your planned audience, and what they want from your text.

There is  more about this in our page on Know Your Audience . You may also find it helpful to read our page on Know Your Medium , to check whether there is anything about your publishing medium that you need to consider ahead of starting to write.

There are some techniques that you can use to help improve coherence within your writing. These include:

Using transitional expressions and phrases to signal connections

Words and phrases like ‘however’, ‘because’, ‘therefore’, ‘additionally’, and ‘on the one hand... on the other’ can be used to signal connections between sentences and paragraphs.

WARNING! Real connections needed!

Transitional phrases and words should only be used where the ideas really are connected.

Just inserting transitional expressions will not connect your ideas. Instead, you need to create a reasonable progression of ideas through a paragraph or section.

You also need to use transitional expressions sparingly. Not all ideas need an obvious link—and sometimes putting one in can seem awkward and contrived.

Using repeating forms or parallel structures to emphasise links between ideas

Generally speaking, repetition of words and phrases is unadvisable.

However, used sparingly, you may be able to harness repetition as a way to signal connections between sentences or ideas.

For example, many research papers have a section setting out the limitations of the study. These limitations can often be quite diverse, which makes for a rather disjointed section. To overcome this issue, writers often use the form ‘First... Second... Finally...’ to demonstrate the links between the disparate ideas.

Using pronouns and synonyms to eliminate unnecessary repetition

Repetition is often the enemy of coherence because it interrupts your movement through the writing. You tend to get distracted by the repeated words, and lose the thread of the argument or idea.

Pronouns and synonyms are a good way to avoid repeating words and phrases. However, care is needed when using them, to avoid ambiguity. It is advisable NOT to use pronouns following a sentence with two elements that might take the same pronoun.

For example:

John was sure that Tom was wrong. He had made the same argument last week.

Who made the same argument last week? John or Tom?

It is better to use at least one name again than create ambiguity.

TOP TIP! Come back later

It is often hard to detect ambiguity in your own writing because you know what you wanted to say.

It is therefore a good idea to leave any piece of writing overnight, and read it again in the morning. This will often identify problems such as ambiguous pronouns, and give you a chance to revise them.

Revisit, Revise and Review

Alongside planning, the single most important thing that you can do to improve the coherence of a piece of writing is to review and revise it with the reader’s needs in mind.

When you have finished a piece of writing, put it aside for a while. Overnight is ideal, but longer is fine. Once you have had a chance to forget precisely what you meant, read it over again as if you were coming to it for the first time.

As you start to read, consider the focus of your text: the main point that you want to make.

With that in mind, consciously examine whether the ideas flow clearly through your sentences, paragraphs and sections. Can the reader grasp your argument and follow it through the text? Is there an obvious conclusion?

While you are reading, you should also consider whether there are any very long sentences. If so, shorten them, using transitional words or phrases to link them together effectively. This will make your writing easier to read, and it will naturally flow better.

A Final Thought

It is not always easy to know how to create more coherent writing.

The best way to do so is to plan your writing, and then review it carefully. You should particularly consider your focus, and your readers’ needs. In doing so, you may find it helpful to use some of the techniques described on this page—but they will not, in themselves, be sufficient without the planning and review.

Continue to: Writing Concisely Using Plain English

See also: The Importance of Structure in Writing Editing and Proofreading Copywriting

Definition of Coherence

Types of coherence, examples of coherence in literature, example #1:  one man’s meat (by e.b. white).

“Scientific agriculture, however sound in principle, often seems strangely unrelated to, and unaware of, the vital, grueling job of making a living by farming. Farmers sense this quality in it as they study their bulletins, just as a poor man senses in a rich man an incomprehension of his own problems. The farmer of today knows, for example, that manure loses some of its value when exposed to the weather … But he knows also that to make hay he needs settled weather – better weather than you usually get in June.”

Example #2:  A Tale of Two Cities (by Charles Dickens)

“The wine was red wine, and had stained the ground of the narrow street in the suburb of Saint Antoine, in Paris, where it was spilled. It had stained many hands, too, and many faces, and many naked feet, and many wooden shoes. The hands of the man who sawed the wood, left red marks on the billets; and the forehead of the woman who nursed her baby, was stained with the stain of the old rag she wound about her head again. Those who had been greedy with the staves of the cask … scrawled upon a wall with his finger dipped in muddy wine-lees—BLOOD.”

Example #3:  Animal Farm (by George Orwell)

“ Now , comrades, what is the nature of this life of ours? Let us face it: our lives are miserable, laborious, and short. We are born, we are given just so much food as will keep the breath in our bodies, and those of us who are capable of it are forced to work to the last atom of our strength … “No animal in England knows the meaning of happiness or leisure after he is a year old. The life of an animal is misery and slavery: that is the plain truth.”

Example #4:  Unpopular Essays (by Bertrand Russell)

“The word “philosophy” is one of which the meaning is by no means fixed. Like the word “religion,” it has one sense when used to describe certain features of historical cultures, and another when used to denote a study or an attitude of mind which is considered desirable in the present day. Philosophy, as pursued in the universities of the Western democratic world, is, at least in intention, part of the pursuit of knowledge, aiming at the same kind of detachment as is sought in science …”

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Cohesion & Coherence

What this resource is about:.

This resource defines both cohesive and coherent writing and explains how to write cohesively and coherently.   

Creating Cohesive and Coherent Paragraphs  

Cohesive writing is “based on how each sentence ends and the next begins” (Williams & Bizup, 2017, p. 65). Each sentence should, in terms of their content , connect to the sentences surrounding it.  

Here are a few tips for composing cohesive paragraphs:  

     "1. Begin sentences with information familiar to your readers.

      2. End sentences with information that readers cannot anticipate.

      3. Begin sentences with information that readers will find simple; end with information they will find complex”              (Williams & Bizup, 2017, p. 67).  

Coherent writing is “based on how all the sentences in it cumulatively begin” (Williams & Bizup, 2017, p. 65). The ideas of the sentences in the passage ought to be related in topic and structured so the reader increases their understanding within each sentence and between sentences.  

Here are a few tips for composing coherent paragraphs:  

• Analyze: Find the subjects (or noun phrases) of your sentences.
• Assess: Do these subjects reference related ideas? Will your reader see this relatedness of ideas? Are they referencing your “actors” (subject) doing the main “actions” (action verb)?
• Rewrite: Rewrite your paragraphs so that you answer ‘yes’ to the questions above (Williams & Bizup, 2017)

Example paragraphs

To illustrate the difference between noncoherent and coherent writing, consider these paragraphs. Subjects are bolded both paragraphs.  

• "Consistent ideas toward the beginnings of sentences, especially in their subjects, help readers understand what a passage is generally about. A sense of coherence arises when a sequence of topics comprises a narrow set of related ideas. But the context of each sentence is lost by seemingly random shifts of topics. Unfocused, even disorganized paragraphs result when that happens" (Williams & Bizup, 2017, p. 71).
•   “ Readers  understand what a passage is generally about when  they  see consistent ideas toward the beginnings of sentences, especially in their subjects.  They  feel a passage is coherent when  they  read a sequence of topics that focuses on a narrow set of related ideas. But when  topics  seem to shift randomly,  readers  lose their context of each sentence. When  that  happens,  they feel they are reading paragraphs that are unfocused and even disorganized” (Williams & Bizup, 2017, p. 71-72).  

The subjects in the second paragraph are only ‘readers’ and ‘topics,' whereas the subjects in the first paragraph are more scattered. By unifying the subjects of your paragraphs to one or two kinds of subjects, you can write coherently. By following these tips, writers may establish a flow of information that helpfully and logically organizes information for the reader.  

The purpose of these aspects of writing is to think about, understand, and write for your readers. You can improve the clarity and organization of your writing by knowing the differences between concrete versus abstract language and making your paragraphs cohesive and coherent.  

Source: Williams, J.M., & Bizup, J. (2017). Style: Lessons in clarity and grace (12th ed.). Pearson Education Inc.  

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The Importance of Coherence

Say you’re reading a piece of academic writing – maybe a textbook. As you read, you find yourself drifting off, having to read the same sentence over and over before you understand it. Maybe, after a while, you get frustrated and give up on the chapter. What happened?

Nine times out of ten, this is a symptom of incoherence. Your brain is unable to find a unified argument or narrative in the book. This may become frustrating and often happens when a book is above your current level of understanding. To someone else, the writing might seem perfectly coherent, because they understand the concepts involved. But from your perspective, the chapter seems incoherent. And as a result, you don’t get as much out of it as you otherwise would.

How can you avoid this in your own writing? How can you make sure that readers don’t misunderstand you (or just give up altogether)? The answer is to work on coherent writing. Coherence is perhaps the most important feature of argumentative writing. Without it, everything falls apart. If an argument is not coherent, it doesn’t matter how good the evidence is, or how beautiful the writing is: an incoherent argument will never persuade anyone or even hold their attention.

How to Create Coherence

• Keep your reader in mind . Coherence is a matter of perception, so you have to write in a way that your reader will understand. Make sure you use terms that the reader will understand. Also, use lines of reasoning that the reader can follow. In school assignments, the reader is your teacher or professor, so this is the person you need to keep in mind as you write.
• Repeat key terms . Many writers are afraid to repeat words because they don’t want their writing to become “monotonous.” That’s a good instinct, but actually it’s helpful to repeat words – as long as they’re the right words! Look again at the example in §2: it uses the term “credit card” in nearly every sentence. But it’s OK, because “credit card” is a key term. You should use key terms frequently, but use variety in non-key terms.
• Define your terms . In complex arguments, it may be necessary to define a term for your reader. This is especially important when you’re using a word that has multiple meanings for different people (such as “democracy,” “morality,” “utilitarianism,” or “God”).
• Craft smooth transitions . Make sure that each paragraph flows naturally into the next one. If you shift topics abruptly, your readers will probably find your writing incoherent.
• Check for self-contradictions . Once you’ve made a statement, you have to stick to it! Take care that your later sentences don’t contradict or undermine what you’ve said before.

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