whats a cohesive essay

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How to write a cohesive essay

When it comes to writing, people usually emphasise the importance of good grammar and proper spelling. However, there is a third element that actually helps authors get their thoughts across to readers, that is cohesiveness in writing. 

In writing, cohesiveness is the quality that makes it easier for people to read and understand an essay’s content. A cohesive essay has all its parts (beginning, middle, and end) united, supporting each other to inform or convince the reader. 

Unfortunately, this is an element that even intermediate or advanced writers stumble on. While the writer’s thoughts are in their compositions, all too often readers find it difficult to understand what is being said because of the poor organisation of ideas. This article provides tips on how you can make your essay cohesive. 

1. Identify the thesis statement of your essay

A thesis statement states what your position is regarding the topic you are discussing. To make an essay worth reading, you will need to make sure that you have a compelling stance.

However, identifying the thesis statement is only the first step. Each element that you put in your essay should be included in a way that supports your argument, which should be the focus of your writing. If you feel that some of the thoughts you initially included do not contribute to strengthening your position, it might be better to take them out when you revise your essay to have a more powerful piece. 

2. Create an outline 

One of the common mistakes made by writers is that they tend to add a lot of details to their essay which, while interesting, may not really be relevant to the topic at hand. Another problem is jumping from one thought to another, which can confuse a reader if they are not familiar with the subject.

Preparing an outline can help you avoid these difficulties. List the ideas you have in mind for your essay, and then see if you can arrange these thoughts in a way that would make it easy for your readers to understand what you are saying. 

While discursive essays do not usually contain stories, the same principle still applies. Your writing should have an introduction, a discussion portion and a conclusion. Again, make sure that each segment supports and strengthens your thesis statement.

As a side note, a good way to write the conclusion of your essay is to mention the points that you raised in your introduction. At the same time, you should use this section to summarise main ideas and restate your position to drive the message home to your readers. 

3. Make sure everything is connected

In connection to the previous point, make sure that each section of your essay is linked to the one after it. Think of your essay as a story: it should have a beginning, middle, and end, and the way that you write your piece should logically tie these elements together in a linear manner. 

4. Proofread before submitting your essay

Make sure to review your composition prior to submission. In most cases, the first draft may be a bit disorganised because this is the first time that your thoughts have been laid out on paper. By reviewing what you have written, you will be able to see which parts need editing, and which ones can be rearranged to make your essay more easily understood by your readers. Try to look at what you wrote from the point of view of your audience. Will they be able to understand your train of thought, or do you need to reorganise some parts to make it easier for them to appreciate what you are saying? Taking another look at your essay and editing it can do wonders for how your composition flows.

Writing a cohesive essay could be a lot easier than you think – especially when you follow these steps. Don’t forget that reading complements writing: try reading essays on various topics and see if each of their parts supports their identified goal or argument.

Writing Resources: Developing Cohesion

Cohesion  is a characteristic of a successful essay  when it flows as a united whole ; meaning, there is unity and connectedness between all of the parts. Cohesion is a writing issue at a macro and micro level. At a macro-level, cohesion is the way a paper uses a thesis sentence, topic sentences, and transitions across paragraphs to help unify and focus a paper. On a micro-level, cohesion happens within the paragraph unit between sentences; when each sentence links back to the previous sentence and looks ahead to the next, there is cohesion across sentences. Cohesion is an important aspect of writing because it helps readers to follow the writer’s thinking. 

Misconceptions & Stumbling Blocks

Many writers believe that you should avoid repetition at all costs. It’s true that strong writing tends to not feel repetitive in terms of style and word choice; however, some repetition is necessary in order to build an essay and even paragraphs that build on each other and develop logically. A pro tip when you’re drafting an essay would be to build in a lot of repetition and then as you revise, go through your essay and look for ways you can better develop your ideas by paraphrasing your argument and using appropriate synonyms.

Building Cohesion

Essay focus: macro cohesion.

Locate & read your thesis sentence and the first and last sentence of each paragraph. You might even highlight them and/or use a separate piece of paper to make note of the key ideas and subjects in each (that is, making a reverse outline while you’re reading).

• How do these sentences relate?
• How can you use the language of the thesis statement again in topic sentences to reconnect to the main argument?
• Does each paragraph clearly link back to the thesis? Is it clear how each paragraph adds to, extends, or complicates the thesis?
• Repetition of key terms and ideas (especially those that are key to the argument)
• Repetition of central arguments; ideally, more than repeating your argument, it evolves and develops as it encounters new supporting or conflicting evidence.
• Appropriate synonyms. Synonyms as well as restating (paraphrasing) main ideas and arguments both helps you to explain and develop the argument and to build cohesion in your essay.

Paragraph Focus: Micro Cohesion

For one paragraph, underline the subject and verb of each sentence.

• Does the paragraph have a consistent & narrow focus?
• Will readers see the connection between the sentences?
• Imagine that the there is a title for this paragraph: what would it be and how would it relate to the underlined words?
• Repetition of the central topic and a clear understanding of how the evidence in this paragraph pushes forward or complicates that idea.
• Variations on the topic
• Avoid unclear pronouns (e.g., it, this, these, etc.). Rather than using pronouns, try to state a clear and specific subject for each sentence. This is an opportunity to develop your meaning through naming your topic in different ways.
• Synonyms for key terms and ideas that help you to say your point in slightly new ways that also push forward your ideas.

Sentence to Sentence: Micro Cohesion  

Looking at one paragraph, try to name what each sentence is doing to the previous: is it adding further explanation? Is it complicating the topic? Is it providing an example? Is it offering a counter-perspective? Sentences that build off of each other have movement that is intentional and purposeful; that is, the writer knows the purpose of each sentence and the work that each sentence accomplishes for the paragraph.

• Transition words (look up a chart) to link sentence and to more clearly name what you’re doing in each sentence (e.g., again, likewise, indeed, therefore, however, additionally, etc.) 
• Precise verbs to help emphasize what the writer is doing and saying (if you’re working with a source/text) or what you’re doing and saying.
• Again, clear and precise subjects that continue to name your focus in each sentence.

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What is cohesion?

• Cohesion vs coherence

Transition signals

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Cohesion How to make texts stick together

Cohesion and coherence are important features of academic writing. They are one of the features tested in exams of academic English, including the IELTS test and the TOEFL test . This page gives information on what cohesion is and how to achieve good cohesion. It also explains the difference between cohesion and coherence , and how to achieve good coherence. There is also an example essay to highlight the main features of cohesion mentioned in this section, as well as some exercises to help you practise.

For another look at the same content, check out YouTube or Youku , or the infographic .

It is important for the parts of a written text to be connected together. Another word for this is cohesion . This word comes from the verb cohere , which means 'to stick together'. Cohesion is therefore related to ensuring that the words and sentences you use stick together.

Good cohesion is achieved through the following five main methods, each of which is described in more detail below:

• repeated words/ideas
• reference words
• transition signals
• substitution

Two other ways in which cohesion is achieved in a text, which are covered less frequently in academic English courses, are shell nouns and thematic development . These are also considered below.

Repeated words/ideas

Check out the cohesion infographic »

One way to achieve cohesion is to repeat words, or to repeat ideas using different words (synonyms). Study the following example. Repeated words (or synonyms) are shown in bold.

Cohesion is an important feature of academic writing . It can help ensure that your writing coheres or 'sticks together', which will make it easier for the reader to follow the main ideas in your essay or report . You can achieve good cohesion by paying attention to five important features . The first of these is repeated words. The second key feature is reference words. The third one is transition signals. The fourth is substitution. The final important aspect is ellipsis.

In this example, the word cohesion is used several times, including as a verb ( coheres ). It is important, in academic writing, to avoid too much repetition, so using different word forms or synonyms is common. The word writing is also used several times, including the phrase essay or report , which is a synonym for writing . The words important features are also repeated, again using synonyms: key feature , important aspect .

Reference words

Reference words are words which are used to refer to something which is mentioned elsewhere in the text, usually in a preceding sentence. The most common type is pronouns, such as 'it' or 'this' or 'these'. Study the previous example again. This time, the reference words are shown in bold.

Cohesion is an important feature of academic writing. It can help ensure that your writing coheres or 'sticks together', which will make it easier for the reader to follow the main ideas in your essay or report. You can achieve good cohesion by paying attention to five important features. The first of these is repeated words. The second key feature is reference words. The third one is transition signals. The fourth is substitution. The final important aspect is ellipsis.

The words it , which and these are reference words. The first two of these, it and which , both refer to 'cohesion' used in the preceding sentence. The final example, these , refers to 'important features', again used in the sentence that precedes it.

Transition signals, also called cohesive devices or linking words, are words or phrases which show the relationship between ideas. There are many different types, the most common of which are explained in the next section on transition signals . Some examples of transition signals are:

• for example - used to give examples
• in contrast - used to show a contrasting or opposite idea
• first - used to show the first item in a list
• as a result - used to show a result or effect

Study the previous example again. This time, the transition signals are shown in bold. Here the transition signals simply give a list, relating to the five important features: first , second , third , fourth , and final .

Substitution

Substitution means using one or more words to replace (substitute) for one or more words used earlier in the text. Grammatically, it is similar to reference words, the main difference being that substitution is usually limited to the clause which follows the word(s) being substituted, whereas reference words can refer to something far back in the text. The most common words used for substitution are one , so , and auxiliary verbs such as do, have and be . The following is an example.

• Drinking alcohol before driving is illegal in many countries, since doing so can seriously impair one's ability to drive safely.

In this sentence, the phrase 'doing so' substitutes for the phrase 'drinking alcohol before driving' which appears at the beginning of the sentence.

Below is the example used throughout this section. There is just one example of substitution: the word one , which substitutes for the phrase 'important features'.

Ellipsis means leaving out one or more words, because the meaning is clear from the context. Ellipsis is sometimes called substitution by zero , since essentially one or more words are substituted with no word taking their place.

Below is the example passage again. There is one example of ellipsis: the phrase 'The fourth is', which means 'The fourth [important feature] is', so the words 'important feature' have been omitted.

Shell nouns

Shell nouns are abstract nouns which summarise the meaning of preceding or succeeding information. This summarising helps to generate cohesion. Shell nouns may also be called carrier nouns , signalling nouns , or anaphoric nouns . Examples are: approach, aspect, category, challenge, change, characteristics, class, difficulty, effect, event, fact, factor, feature, form, issue, manner, method, problem, process, purpose, reason, result, stage, subject, system, task, tendency, trend, and type . They are often used with pronouns 'this', 'these', 'that' or 'those', or with the definite article 'the'. For example:

• Virus transmission can be reduced via frequent washing of hands, use of face masks, and isolation of infected individuals. These methods , however, are not completely effective and transmission may still occur, especially among health workers who have close contact with infected individuals.
• An increasing number of overseas students are attending university in the UK. This trend has led to increased support networks for overseas students.

In the example passage used throughout this section, the word features serves as a shell noun, summarising the information later in the passage.

Cohesion is an important feature of academic writing. It can help ensure that your writing coheres or 'sticks together', which will make it easier for the reader to follow the main ideas in your essay or report. You can achieve good cohesion by paying attention to five important features . The first of these is repeated words. The second key feature is reference words. The third one is transition signals. The fourth is substitution. The final important aspect is ellipsis.

Thematic development

Cohesion can also be achieved by thematic development. The term theme refers to the first element of a sentence or clause. The development of the theme in the rest of the sentence is called the rheme . It is common for the rheme of one sentence to form the theme of the next sentence; this type of organisation is often referred to as given-to-new structure, and helps to make writing cohere.

Consider the following short passage, which is an extension of the first example above.

• Virus transmission can be reduced via frequent washing of hands, use of face masks, and isolation of infected individuals. These methods, however, are not completely effective and transmission may still occur, especially among health workers who have close contact with infected individuals. It is important for such health workers to pay particular attention to transmission methods and undergo regular screening.

Here we have the following pattern:

• Virus transmission [ theme ]
• can be reduced via frequent washing of hands, use of face masks, and isolation of infected individuals [ rheme ]
• These methods [ theme = rheme of preceding sentence ]
• are not completely effective and transmission may still occur, especially among health workers who have close contact with infected individuals [ rheme ]
• health workers [ theme, contained in rheme of preceding sentence ]
• [need to] to pay particular attention to transmission methods and undergo regular screening [ rheme ]

Cohesion vs. coherence

The words 'cohesion' and 'coherence' are often used together with a similar meaning, which relates to how a text joins together to make a unified whole. Although they are similar, they are not the same. Cohesion relates to the micro level of the text, i.e. the words and sentences and how they join together. Coherence , in contrast, relates to the organisation and connection of ideas and whether they can be understood by the reader, and as such is concerned with the macro level features of a text, such as topic sentences , thesis statement , the summary in the concluding paragraph (dealt with in the essay structure section), and other 'bigger' features including headings such as those used in reports .

Coherence can be improved by using an outline before writing (or a reverse outline , which is an outline written after the writing is finished), to check that the ideas are logical and well organised. Asking a peer to check the writing to see if it makes sense, i.e. peer feedback , is another way to help improve coherence in your writing.

Example essay

Below is an example essay. It is the one used in the persuasion essay section. Click on the different areas (in the shaded boxes to the right) to highlight the different cohesive aspects in this essay, i.e. repeated words/ideas, reference words, transition signals, substitution and ellipsis.

Title: Consider whether human activity has made the world a better place.

History shows that human beings have come a long way from where they started. They have developed new technologies which means that everybody can enjoy luxuries they never previously imagined. However , the technologies that are temporarily making this world a better place to live could well prove to be an ultimate disaster due to , among other things, the creation of nuclear weapons , increasing pollution , and loss of animal species . The biggest threat to the earth caused by modern human activity comes from the creation of nuclear weapons . Although it cannot be denied that countries have to defend themselves, the kind of weapons that some of them currently possess are far in excess of what is needed for defence . If these [nuclear] weapons were used, they could lead to the destruction of the entire planet . Another harm caused by human activity to this earth is pollution . People have become reliant on modern technology, which can have adverse effects on the environment . For example , reliance on cars causes air and noise pollution . Even seemingly innocent devices, such as computers and mobile phones, use electricity, most of which is produced from coal-burning power stations, which further adds to environmental pollution . If we do not curb our direct and indirect use of fossil fuels, the harm to the environment may be catastrophic. Animals are an important feature of this earth and the past decades have witnessed the extinction of a considerable number of animal species . This is the consequence of human encroachment on wildlife habitats, for example deforestation to expand cities. Some may argue that such loss of [animal]   species is natural and has occurred throughout earth's history. However , the current rate of [animal]   species loss far exceeds normal levels   [of animal species loss] , and is threatening to become a mass extinction event. In summary , there is no doubt that current human activities such as the creation of nuclear weapons , pollution , and destruction of wildlife , are harmful to the earth . It is important for us to see not only the short-term effects of our actions, but their long-term ones as well. Otherwise , human activities will be just another step towards destruction .

Aktas, R.N. and Cortes, V. (2008), 'Shell nouns as cohesive devices in published and ESL student writing', Journal of English for Academic Purposes , 7 (2008) 3-14.

Alexander, O., Argent, S. and Spencer, J. (2008) EAP Essentials: A teacher's guide to principles and practice . Reading: Garnet Publishing Ltd.

Gray, B. (2010) 'On the use of demonstrative pronouns and determiners as cohesive devices: A focus on sentence-initial this/these in academic prose', Journal of English for Academic Purposes , 9 (2010) 167-183.

Halliday, M. A. K., and Hasan, R. (1976). Cohesion in English . London: Longman.

Hinkel, E. (2004). Teaching Academic ESL Writing: Practical Techniques in Vocabulary and Grammar . Mahwah: Lawrence Erlbaum Associates Inc Publishers.

Hyland, K. (2006) English for Academic Purposes: An advanced resource book . Abingdon: Routledge.

Thornbury, S. (2005) Beyond the Sentence: Introducing discourse analysis . Oxford: Macmillan Education.

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Below is a checklist for essay cohesion and coherence. Use it to check your own writing, or get a peer (another student) to help you.

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Author: Sheldon Smith    ‖    Last modified: 03 February 2022.

Sheldon Smith is the founder and editor of EAPFoundation.com. He has been teaching English for Academic Purposes since 2004. Find out more about him in the about section and connect with him on Twitter , Facebook and LinkedIn .

Compare & contrast essays examine the similarities of two or more objects, and the differences.

Cause & effect essays consider the reasons (or causes) for something, then discuss the results (or effects).

Discussion essays require you to examine both sides of a situation and to conclude by saying which side you favour.

Problem-solution essays are a sub-type of SPSE essays (Situation, Problem, Solution, Evaluation).

Transition signals are useful in achieving good cohesion and coherence in your writing.

Reporting verbs are used to link your in-text citations to the information cited.

Achieving coherence

“A piece of writing is coherent when it elicits the response: ‘I follow you. I see what you mean.’ It is incoherent when it elicits the response: ‘I see what you're saying here, but what has it got to do with the topic at hand or with what you just told me above?’ ” - Johns, A.M

Transitions

Parallelism, challenge task, what is coherence.

Coherence in a piece of writing means that the reader can easily understand it. Coherence is about making everything flow smoothly. The reader can see that everything is logically arranged and connected, and relevance to the central focus of the essay is maintained throughout.

Repetition in a piece of writing does not always demonstrate cohesion.   Study these sentences:

So, how does repetition as a cohesive device work?

When a pronoun is used, sometimes what the pronoun refers to (ie, the referent) is not always clear. Clarity is achieved by  repeating a key noun or synonym . Repetition is a cohesive device used deliberately to improve coherence in a text.

In the following text, decide ifthe referent for the pronoun  it   is clear. Otherwise, replace it  with the key noun English  where clarity is needed.

Click here to view the revised text.

Suggested improvement

English has almost become an international language. Except for Chinese, more people speak it (clear reference; retain)  than any other language. Spanish is the official language of more countries in the world, but more countries have English ( it is replaced with a key noun) as their official or unofficial second language. More than 70% of the world's mail is written in English ( it is replaced with a key noun).  It (clear reference; retain) is the primary language on the Internet.

Sometimes, repetition of a key noun is preferred even when the reference is clear. In the following text, it is clear that it  refers to the key noun gold , but when used throughout the text, the style becomes monotonous.

Improved text: Note where the key noun gold is repeated. The deliberate repetition creates interest and adds maturity to the writing style.

Gold , a precious metal, is prized for two important characteristics. First of all, gold has a lustrous beauty that is resistant to corrosion. Therefore, it is suitable for jewellery, coins and ornamental purposes. Gold never needs to be polished and will remain beautiful forever. For example, a Macedonian coin remains as untarnished today as the day it was made 23 centuries ago. Another important characteristic of gold is its usefulness to industry and science. For many years, it has been used in hundreds of industrial applications. The most recent use of gold is in astronauts’ suits. Astronauts wear gold -plated shields when they go outside spaceships in space. In conclusion, gold is treasured not only for its beauty but also its utility.

Pronoun + Repetition of key noun

Sometimes, greater cohesion can be achieved by using a pronoun followed by an appropriate key noun or synonym (a word with a similar meaning).

Transitions are like traffic signals. They guide the reader from one idea to the next. They signal a range of relationships between sentences, such as comparison, contrast, example and result. Click here for a more comprehensive list of Transitions (Logical Organisers) .

Test yourself: How well do you understand transitions?

Which of the three alternatives should follow the transition or logical organiser in capital letters to complete the second sentence?

Using transitions/logical organisers

Improve the coherence of the following paragraph by adding transitions in the blank spaces. Use the italicised hint in brackets to help you choose an apporpriate transition for each blank. If you need to, review the list of Transitions (Logical Organisers)   before you start.

Using transitions

Choose the most appropriate transition from the options given to complete the article:

Overusing transitions

While the use of appropriate transitions can improve coherence (as the previous practice activity shows), it can also be counterproductive if transitions are overused. Use transitions carefully to enhance and clarify the logical connection between ideas in extended texts. Write a range of sentences and vary sentence openings. 

Study the following examples:

Identifying cohesive devices

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