compare contrast essay pdf

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10.7 Comparison and Contrast

Learning objectives.

• Determine the purpose and structure of comparison and contrast in writing.
• Explain organizational methods used when comparing and contrasting.
• Understand how to write a compare-and-contrast essay.

The Purpose of Comparison and Contrast in Writing

Comparison in writing discusses elements that are similar, while contrast in writing discusses elements that are different. A compare-and-contrast essay , then, analyzes two subjects by comparing them, contrasting them, or both.

The key to a good compare-and-contrast essay is to choose two or more subjects that connect in a meaningful way. The purpose of conducting the comparison or contrast is not to state the obvious but rather to illuminate subtle differences or unexpected similarities. For example, if you wanted to focus on contrasting two subjects you would not pick apples and oranges; rather, you might choose to compare and contrast two types of oranges or two types of apples to highlight subtle differences. For example, Red Delicious apples are sweet, while Granny Smiths are tart and acidic. Drawing distinctions between elements in a similar category will increase the audience’s understanding of that category, which is the purpose of the compare-and-contrast essay.

Similarly, to focus on comparison, choose two subjects that seem at first to be unrelated. For a comparison essay, you likely would not choose two apples or two oranges because they share so many of the same properties already. Rather, you might try to compare how apples and oranges are quite similar. The more divergent the two subjects initially seem, the more interesting a comparison essay will be.

Writing at Work

Comparing and contrasting is also an evaluative tool. In order to make accurate evaluations about a given topic, you must first know the critical points of similarity and difference. Comparing and contrasting is a primary tool for many workplace assessments. You have likely compared and contrasted yourself to other colleagues. Employee advancements, pay raises, hiring, and firing are typically conducted using comparison and contrast. Comparison and contrast could be used to evaluate companies, departments, or individuals.

Brainstorm an essay that leans toward contrast. Choose one of the following three categories. Pick two examples from each. Then come up with one similarity and three differences between the examples.

• Romantic comedies
• Internet search engines
• Cell phones

Brainstorm an essay that leans toward comparison. Choose one of the following three items. Then come up with one difference and three similarities.

• Department stores and discount retail stores
• Fast food chains and fine dining restaurants
• Dogs and cats

The Structure of a Comparison and Contrast Essay

The compare-and-contrast essay starts with a thesis that clearly states the two subjects that are to be compared, contrasted, or both and the reason for doing so. The thesis could lean more toward comparing, contrasting, or both. Remember, the point of comparing and contrasting is to provide useful knowledge to the reader. Take the following thesis as an example that leans more toward contrasting.

Thesis statement: Organic vegetables may cost more than those that are conventionally grown, but when put to the test, they are definitely worth every extra penny.

Here the thesis sets up the two subjects to be compared and contrasted (organic versus conventional vegetables), and it makes a claim about the results that might prove useful to the reader.

You may organize compare-and-contrast essays in one of the following two ways:

• According to the subjects themselves, discussing one then the other
• According to individual points, discussing each subject in relation to each point

See Figure 10.1 “Comparison and Contrast Diagram” , which diagrams the ways to organize our organic versus conventional vegetables thesis.

Figure 10.1 Comparison and Contrast Diagram

The organizational structure you choose depends on the nature of the topic, your purpose, and your audience.

Given that compare-and-contrast essays analyze the relationship between two subjects, it is helpful to have some phrases on hand that will cue the reader to such analysis. See Table 10.3 “Phrases of Comparison and Contrast” for examples.

Table 10.3 Phrases of Comparison and Contrast

Create an outline for each of the items you chose in Note 10.72 “Exercise 1” and Note 10.73 “Exercise 2” . Use the point-by-point organizing strategy for one of them, and use the subject organizing strategy for the other.

Writing a Comparison and Contrast Essay

First choose whether you want to compare seemingly disparate subjects, contrast seemingly similar subjects, or compare and contrast subjects. Once you have decided on a topic, introduce it with an engaging opening paragraph. Your thesis should come at the end of the introduction, and it should establish the subjects you will compare, contrast, or both as well as state what can be learned from doing so.

The body of the essay can be organized in one of two ways: by subject or by individual points. The organizing strategy that you choose will depend on, as always, your audience and your purpose. You may also consider your particular approach to the subjects as well as the nature of the subjects themselves; some subjects might better lend themselves to one structure or the other. Make sure to use comparison and contrast phrases to cue the reader to the ways in which you are analyzing the relationship between the subjects.

After you finish analyzing the subjects, write a conclusion that summarizes the main points of the essay and reinforces your thesis. See Chapter 15 “Readings: Examples of Essays” to read a sample compare-and-contrast essay.

Many business presentations are conducted using comparison and contrast. The organizing strategies—by subject or individual points—could also be used for organizing a presentation. Keep this in mind as a way of organizing your content the next time you or a colleague have to present something at work.

Choose one of the outlines you created in Note 10.75 “Exercise 3” , and write a full compare-and-contrast essay. Be sure to include an engaging introduction, a clear thesis, well-defined and detailed paragraphs, and a fitting conclusion that ties everything together.

Key Takeaways

• A compare-and-contrast essay analyzes two subjects by either comparing them, contrasting them, or both.
• The purpose of writing a comparison or contrast essay is not to state the obvious but rather to illuminate subtle differences or unexpected similarities between two subjects.
• The thesis should clearly state the subjects that are to be compared, contrasted, or both, and it should state what is to be learned from doing so.

There are two main organizing strategies for compare-and-contrast essays.

• Organize by the subjects themselves, one then the other.
• Organize by individual points, in which you discuss each subject in relation to each point.
• Use phrases of comparison or phrases of contrast to signal to readers how exactly the two subjects are being analyzed.

Writing for Success Copyright © 2015 by University of Minnesota is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License , except where otherwise noted.

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• Comparing and contrasting in an essay | Tips & examples

Comparing and Contrasting in an Essay | Tips & Examples

Published on August 6, 2020 by Jack Caulfield . Revised on July 23, 2023.

Comparing and contrasting is an important skill in academic writing . It involves taking two or more subjects and analyzing the differences and similarities between them.

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Table of contents

When should i compare and contrast, making effective comparisons, comparing and contrasting as a brainstorming tool, structuring your comparisons, other interesting articles, frequently asked questions about comparing and contrasting.

Many assignments will invite you to make comparisons quite explicitly, as in these prompts.

• Compare the treatment of the theme of beauty in the poetry of William Wordsworth and John Keats.
• Compare and contrast in-class and distance learning. What are the advantages and disadvantages of each approach?

Some other prompts may not directly ask you to compare and contrast, but present you with a topic where comparing and contrasting could be a good approach.

One way to approach this essay might be to contrast the situation before the Great Depression with the situation during it, to highlight how large a difference it made.

Comparing and contrasting is also used in all kinds of academic contexts where it’s not explicitly prompted. For example, a literature review involves comparing and contrasting different studies on your topic, and an argumentative essay may involve weighing up the pros and cons of different arguments.

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As the name suggests, comparing and contrasting is about identifying both similarities and differences. You might focus on contrasting quite different subjects or comparing subjects with a lot in common—but there must be some grounds for comparison in the first place.

For example, you might contrast French society before and after the French Revolution; you’d likely find many differences, but there would be a valid basis for comparison. However, if you contrasted pre-revolutionary France with Han-dynasty China, your reader might wonder why you chose to compare these two societies.

This is why it’s important to clarify the point of your comparisons by writing a focused thesis statement . Every element of an essay should serve your central argument in some way. Consider what you’re trying to accomplish with any comparisons you make, and be sure to make this clear to the reader.

Comparing and contrasting can be a useful tool to help organize your thoughts before you begin writing any type of academic text. You might use it to compare different theories and approaches you’ve encountered in your preliminary research, for example.

Let’s say your research involves the competing psychological approaches of behaviorism and cognitive psychology. You might make a table to summarize the key differences between them.

Or say you’re writing about the major global conflicts of the twentieth century. You might visualize the key similarities and differences in a Venn diagram.

These visualizations wouldn’t make it into your actual writing, so they don’t have to be very formal in terms of phrasing or presentation. The point of comparing and contrasting at this stage is to help you organize and shape your ideas to aid you in structuring your arguments.

When comparing and contrasting in an essay, there are two main ways to structure your comparisons: the alternating method and the block method.

The alternating method

In the alternating method, you structure your text according to what aspect you’re comparing. You cover both your subjects side by side in terms of a specific point of comparison. Your text is structured like this:

Mouse over the example paragraph below to see how this approach works.

One challenge teachers face is identifying and assisting students who are struggling without disrupting the rest of the class. In a traditional classroom environment, the teacher can easily identify when a student is struggling based on their demeanor in class or simply by regularly checking on students during exercises. They can then offer assistance quietly during the exercise or discuss it further after class. Meanwhile, in a Zoom-based class, the lack of physical presence makes it more difficult to pay attention to individual students’ responses and notice frustrations, and there is less flexibility to speak with students privately to offer assistance. In this case, therefore, the traditional classroom environment holds the advantage, although it appears likely that aiding students in a virtual classroom environment will become easier as the technology, and teachers’ familiarity with it, improves.

The block method

In the block method, you cover each of the overall subjects you’re comparing in a block. You say everything you have to say about your first subject, then discuss your second subject, making comparisons and contrasts back to the things you’ve already said about the first. Your text is structured like this:

• Point of comparison A
• Point of comparison B

The most commonly cited advantage of distance learning is the flexibility and accessibility it offers. Rather than being required to travel to a specific location every week (and to live near enough to feasibly do so), students can participate from anywhere with an internet connection. This allows not only for a wider geographical spread of students but for the possibility of studying while travelling. However, distance learning presents its own accessibility challenges; not all students have a stable internet connection and a computer or other device with which to participate in online classes, and less technologically literate students and teachers may struggle with the technical aspects of class participation. Furthermore, discomfort and distractions can hinder an individual student’s ability to engage with the class from home, creating divergent learning experiences for different students. Distance learning, then, seems to improve accessibility in some ways while representing a step backwards in others.

Note that these two methods can be combined; these two example paragraphs could both be part of the same essay, but it’s wise to use an essay outline to plan out which approach you’re taking in each paragraph.

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If you want to know more about AI tools , college essays , or fallacies make sure to check out some of our other articles with explanations and examples or go directly to our tools!

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Some essay prompts include the keywords “compare” and/or “contrast.” In these cases, an essay structured around comparing and contrasting is the appropriate response.

Comparing and contrasting is also a useful approach in all kinds of academic writing : You might compare different studies in a literature review , weigh up different arguments in an argumentative essay , or consider different theoretical approaches in a theoretical framework .

Your subjects might be very different or quite similar, but it’s important that there be meaningful grounds for comparison . You can probably describe many differences between a cat and a bicycle, but there isn’t really any connection between them to justify the comparison.

You’ll have to write a thesis statement explaining the central point you want to make in your essay , so be sure to know in advance what connects your subjects and makes them worth comparing.

Comparisons in essays are generally structured in one of two ways:

• The alternating method, where you compare your subjects side by side according to one specific aspect at a time.
• The block method, where you cover each subject separately in its entirety.

It’s also possible to combine both methods, for example by writing a full paragraph on each of your topics and then a final paragraph contrasting the two according to a specific metric.

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How to Write a Compare-and-Contrast Essay

A compare-and-contrast essay is a style of essay that points out the similarities and differences between two or more subjects. It’s ideal for showing what separates and unites related things or concepts, particularly if the subjects are often confused for each other or unjustly lumped together. 

Compare-and-contrast essays have a lot in common with other essay types, but differ in many ways, too—and that’s the heart of comparing and contrasting! By seeing the differences and similarities, the reader better understands each of the subjects by using the other subject as a frame of reference. 

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In this guide, we explain how to write a compare-and-contrast essay, including some advanced tips and examples. We discuss how to structure your essay and how to frame your thesis , but first, let’s take a broader look at why comparison essays are so useful. 

Purpose of a compare-and-contrast essay

Let’s say you want to write an essay about how great renewable resources are, but you spend a lot of your time explaining how fossil fuels work. To truly understand why renewable resources are so amazing, your reader needs a little background on their alternative, fossil fuels—but the essay’s attention is divided so equally that it’s like there are two topics. 

That’s when compare-and-contrast essays function at their best. If two topics relate to each other or define each other, you can better explain them both by showcasing their similarities and differences. That goes double for topics that are often conflated or confused for each other; it helps readers when someone points out exactly what’s the same about them and what’s different. 

Unlike argumentative essays or persuasive essays , compare-and-contrast essays deal with multiple topics instead of focusing on one. The downside is that they don’t describe the individual subjects as much as single-topic essays. They’re also a common assignment for college essays since they show the instructor how well you grasp both subjects. 

How to write a compare-and-contrast essay 

When writing a compare-and-contrast essay, it helps to figure out two things: what your thesis is (the subject matter) and how you plan to structure it. 

First things first: You need to choose which subjects you’re comparing. This isn’t always easy, especially if you have to pick the subjects on your own. 

For inspiration, here are some compare-and-contrast essay example topics:

• fossil fuels and renewable resources
• Coca-Cola and Pepsi 
• Mona Lisa and The Girl with a Pearl Earring
• ’80s punk rock music and ’90s grunge music
• Dorothea Lange and Diane Arbus
• London in the 1600s and London now
• the LGBTQIA+ community before and after Stonewall
• Roman Empire and Greek Empire
• loop quantum gravity and string theory
• evolution and creationism
• liberalism and conservatism
• fascism and despotism

Once you’ve settled on your subjects, you can begin generating ideas. It helps to first list all the similarities and differences between your subjects . When you see them all written down, you can start formulating connections and decide what structure to use for your compare-and-contrast essay. 

If you’re stuck, try making a Venn diagram . This is a visual aid that helps you understand which characteristics your subjects share, and which ones are exclusive. 

Looking at your lists, you can then decide on the thesis. To do so, ask yourself a few questions: What are you trying to show in your compare-and-contrast essay? What do you want your reader to take away? For example, do you want to emphasize that Dorothea Lange’s work influenced Diane Arbus, or that they are two very distinct artists? 

Organization

Compare-and-contrast essays follow our own recommended essay structure . While the linked guide goes into more detail, in a nutshell, your compare-and-contrast essay should follow a simple format of beginning, middle, and end: 

• Introduction: where you explain your thesis or what your essay will discuss
• Body: where you actually list the similarities and differences of your subjects; the largest section
• Conclusion: where you wrap up and summarize your points

The introduction, usually one or two paragraphs, should include a thesis statement to show the reader what to expect for the rest of your essay. You can write your introduction following the same guidelines as other essay types, though be sure to mention all your subjects. Likewise, you can write an essay conclusion with the standard rules and best practices. 

It’s the body where compare-and-contrast essays get tricky. Do you write about both subjects at the same time, or switch back and forth? Let’s talk deeper on this below. 

How to structure a compare-and-contrast essay

The hardest part of structuring a compare-and-contrast essay is knowing when to talk about which subject. Essentially, you have three options: 

• block method (subject by subject): You discuss one subject in full and then move on to the next subject.
• alternating method (point by point): You discuss one subject’s take on a certain aspect and then another subject’s take immediately afterward, followed by a new aspect.
• similarities and differences: You discuss all the similarities between your subjects and then all the differences, or vice versa (differences first and then similarities).

No matter which option you choose, you have to pay particular attention to topic sentences . Paragraphs in compare-and-contrast essays can get complicated, so it’s crucial to have a good topic or introduction sentence for each paragraph to make the flow of ideas clear. 

Block method (subject by subject)

The block method is usually divided into paragraphs: a paragraph about one subject and then a new paragraph about another subject. Take the compare-and-contrast essay example When Nothing Lies Beyond the Mask: Comparing Moby Dick and The Raven . In the first paragraph after the introduction, the author talks only about Ahab from Moby Dick , but in the next paragraph talks only about the narrator from The Raven . Each subject gets its own paragraph. 

Using the block method, you can go back and forth like this for pages, covering as many topics as you need. This approach is best for giving each subject its own attention but tends to slightly weaken the connection between the two. 

Alternating method (point by point)

As another option, you can break paragraphs up by a specific topic and issue, and in each paragraph discuss both or all subjects. Let’s look at another compare-and-contrast essay example, The Reality of Science Fiction: Comparing Clarke to Cruise . Here, both subjects are discussed in the same paragraph, one right after another. 

This approach works best when you want to emphasize the connection between your subjects, or lack thereof. In our example above, the author wishes to highlight just how different the aliens of Arthur Clarke are from those of other authors, particularly H. G. Wells. To emphasize this, the essay author juxtaposes the two points right next to each other in the same paragraph. 

Similarities and differences

The third option is quite similar to the alternating approach, with each subject being discussed side by side in the same paragraph. However, the paragraphs aren’t divided by different topics, but instead by what the subjects have in common and what they don’t. 

Take a look at the compare-and-contrast essay example Government by the People, for the People has Perished from the Earth , which compares the dystopias of George Orwell’s 1984 and Yevgeny Zamyatin’s We . The first paragraph after the introduction discusses what the governments in the two books have in common, but the next paragraph explains how they differ. 

This method works best if you want to focus on a particular similarity or difference between your subjects, or if you want to build up to a powerful conclusion or reveal at the end. 

The writing process for compare-and-contrast essays

Want to know how to write a compare-and-contrast essay step by step? The writing process is the same as all essay writing, although adapted specifically for drawing comparisons:

1   Brainstorming — As mentioned above, brainstorming should involve listing all the similarities and difficulties; creating a Venn diagram is a useful method. 

2   Preparation — Looking at your brainstorming lists, decide which structuring method would best get your point across: block, alternating, or similarities/differences. 

3   Drafting — Here you write your rough draft ; this is the longest and toughest phase. 

4   Revising — Does the structure you’ve chosen work? With the first draft finished, you can more easily identify any areas that need to be fixed, revised, or rewritten from scratch. 

5   Proofreading — Finally, you want to make sure you corrected all the spelling and grammatical mistakes in your draft. With a writing assistant like Grammarly, this phase is a breeze. 

If you want to learn more about this process, read our comprehensive guide on essay writing , which better explains the details. 

Tips for writing compare-and-contrast essays 

Beyond knowing the full process for crafting a compare-and-contrast essay, it helps to learn a few tips to ensure it shines.

Choose topics that are related 

In other words, choose topics that have plenty in common, otherwise, your essay will be all contrasting and no comparing. Typically, subjects in compare-and-contrast essays share a strong connection, such as two people in the same profession or two products in the same category. 

Without this unifying thread, the reader is left wondering, “What’s the point of comparing these two things?” Not only will it confound your audience, but you’ll also struggle more to come up with points when writing. Solve these problems before they start by smartly choosing your subjects at the beginning. 

Write for clarity

Essays with only one subject can be confusing enough—imagine how complicated it gets with two or more subjects. One of the biggest obstacles with compare-and-contrast essays is communicating clearly so your reader knows which points relate to which subject, and what conclusion the entire essay is building toward. 

But when you’re in the heat of a writing session, it can be difficult—and distracting—to stop and evaluate your work for clarity. Luckily, Grammarly offers suggestions to rewrite entire sentences in order to improve the clarity of your writing.

If the writing in your compare-and-contrast essay starts getting messy, Grammarly’s writing suggestions recommend alternative phrasings to clear things up. Just one click and your writing gets the professional editor treatment. Try Grammarly now and see how your writing improves.