Comparative Contrast Essays

TIP Sheet
WRITING A COMPARE/CONTRAST PAPER

A compare and contrast essay examines two or more topics (objects, people, or ideas, for example), comparing their similarities and contrasting their differences. You may choose to focus exclusively on comparing, exclusively on contrasting, or on both-or your instructor may direct you to do one or both.

First, pick useable subjects and list their characteristics. In fact, their individual characteristics determine whether the subjects are useable. After that, choose a parallel pattern of organization and effective transitions to set your paper above the merely average.

1. Picking a subject
Focus on things that can obviously be compared or contrasted. For instance, if you are examining an idea (political or philosophical) examine the opposite of that idea. Or, if you are examining a person, like a president, pick another president for comparison or contrast. Don't try to compare a president and a cab driver, or existentialism and a legislative bill on car tax refunds.

2. Listing characteristics
Divide a piece of paper into two sides. One side is for the first subject, the other for the second subject. Then, begin to list the similarities and differences that immediately come to mind. Concentrate on characteristics that either are shared or are opposing between the two subjects. Alternately, you may construct a Venn diagram of intersecting circles, listing the subjects' differences to either side and their similarities where the circles intersect. Keep in mind that for a balanced paper, you want to make point-by-point, parallel comparisons (or contrasts).

Similarities between my math and English instructors:
Both are welcoming and available to students.
Both are organized and keep a neat office.
Both are knowledgeable and professional.

 

Differences between my math and English instructors
Math teacher listens to classic rock.         English teacher listens to jazz.
Math teacher drinks Earl Grey tea.           English teacher drinks strong black coffee.
Math teacher likes to chat about movies.  English teacher sticks to business.

As you create your list, is it clear why you are comparing and contrasting these two subjects? Do you have a preference for one or the other? If so, make sure you are evaluating each side fairly. A point-by-point list helps you maintain balance.

Once you have a list, decide whether there are more similarities or differences between the topics. If there are more similarities, concentrate your paper on comparing. If there are more differences (or if, as in the example above, the differences are simply more interesting), concentrate on contrasting. If there is a balance of similarities and differences, you might concentrate on discussing this balance.

3. Organizing
There are at least two ways to organize a compare/contrast essay. Imagine you are examining Robert E. Lee and Ulysses S. Grant, both Civil War generals. In your list you have uncovered important points of dissimilarity between them. Those points are their background, personalities, and underlying aspirations. (Call these three points A, B, and C.) You have decided to contrast the two subjects.

Here is one way to organize the body of this paper, addressing points A, B, and C for each subject. This paper will follow parallel order–A, B, and then C–for each subject:

A. Lee's background
B. Lee's personality
C. Lee's underlying aspirations

A. Grant's background
B. Grant's personality
C. Grant's underlying aspirations

However, here is another way to organize the same paper:

A. Lee's background
A. Grant's background

B. Lee's personality
B. Grant's personality

C. Lee's underlying aspiration
C. Grant's underlying aspiration

For a shorter paper, the above might represent three paragraphs; if you are writing a long paper and have a great deal of information, you may choose to write about each point, A, B, and C, in separate paragraphs for a total of six. However you decide to organize, make sure it is clear why you are examining this subject. You might be able to compare apples and oranges, for example, but why would you? Include any insights or opinions you have gathered. And yes, in general, three is the magic number. While there is no hard-and-fast rule that precludes creating a paper based on two points, or four, or five, a three-point discussion is manageable, especially for complex or abstract subjects. At the same time, a three-point structure helps you avoid oversimplifying, especially when addressing controversial topics in which discussions tend to become polarized–right or wrong, black or white, for or against. Three-point treatments encourage discussion of the middle ground.

4. Signaling transitions
Learn to use expressions that precisely convey contrast or comparison. These expressions, or transitions, signal contrast:

  • on the contrary
  • on the other hand
  • however
  • otherwise
  • whereas
  • still
  • yet

These expressions signal comparison:

  • as well as
  • both
  • like
  • in common with
  • likewise
  • also

Signal words such as these help the reader understand the relationships between your sentences, paragraphs, and ideas. In particular, if you are both comparing and contrasting, signal words help sort out what's what. Second only to effective organization, effective use of these expressions will go a long way toward helping produce a good compare/contrast paper.

Compare and contrast is a common form of academic writing, either as an essay type on its own, or as part of a larger essay which includes one or more paragraphs which compare or contrast. This page gives information on what a compare and contrast essay is, how to structure this type of essay, how to use compare and contrast structure words, and how to make sure you use appropriate criteria for comparison/contrast. There is also an example compare and contrast essay on the topic of communication technology, as well as some exercises to help you practice this area.


What are compare & contrast essays?

To compare is to examine how things are similar, while to contrast is to see how they differ. A compare and contrast essay therefore looks at the similarities of two or more objects, and the differences. This essay type is common at university, where lecturers frequently test your understanding by asking you to compare and contrast two theories, two methods, two historical periods, two characters in a novel, etc. Sometimes the whole essay will compare and contrast, though sometimes the comparison or contrast may be only part of the essay. It is also possible, especially for short exam essays, that only the similarities or the differences, not both, will be discussed. See the examples below.


Structure

There are two main ways to structure a compare and contrast essay, namely using a block or a point-by-point structure. For the block structure, all of the information about one of the objects being compared/contrasted is given first, and all of the information about the other object is listed afterwards. This type of structure is similar to the block structure used for cause and effect and problem-solution essays. For the point-by-point structure, each similarity (or difference) for one object is followed immediately by the similarity (or difference) for the other. Both types of structure have their merits. The former is easier to write, while the latter is generally clearer as it ensures that the similarities/differences are more explicit.


The two types of structure, block and point-by-point, are shown in the diagram below.


Block

Introduction

Object 1 - Point 1

Object 1 - Point 2

Object 1 - Point 3

Transition sentence/paragraph

Object 2 - Point 1

Object 2 - Point 2

Object 2 - Point 3

Conclusion



Point-by-point

Introduction

Point 1
 
Object 1 ➤ Object 2
 

Point 2
 
Object 1 ➤ Object 2
 

Point 3
 
Object 1 ➤ Object 2
 

Conclusion


Compare and Contrast Structure Words

Compare and contrast structure words are transition signals which show the similarities or differences. Below are some common examples.



Criteria for comparison/contrast

When making comparisons or contrasts, it is important to be clear what criteria you are using. Study the following example, which contrasts two people. Here the criteria are unclear.


Although this sentence has a contrast transition, the criteria for contrasting are not the same. The criteria used for Aaron are height (tall) and strength (strong). We would expect similar criteria to be used for Bruce (maybe he is short and weak), but instead we have new criteria, namely appearance (handsome) and intelligence (intelligent). This is a common mistake for students when writing this type of paragraph or essay. Compare the following, which has much clearer criteria (contrast structure words shown in bold).


Example essay

Below is a compare and contrast essay. This essay uses the point-by-point structure. Click on the different areas (in the shaded boxes to the right) to highlight the different structural aspects in this essay, i.e. similarities, differences, and structure words. This will highlight not simply the paragraphs, but also the thesis statement and summary, as these repeat the comparisons and contrasts contained in the main body.


Title: There have been many advances in technology over the past fifty years. These have revolutionised the way we communicate with people who are far away. Compare and contrast methods of communication used today with those which were used in the past.


Compare

 

Contrast

   

1

 

2

 
 

Compare transitions

 

Contrast transitions

Before the advent of computers and modern technology, people communicating over long distances used traditional means such as letters and the telephone. Nowadays we have a vast array of communication tools which can complete this task, ranging from email to instant messaging and video calls. While the present and previous means of communication are similar in their general form, they differ in regard to their speed and the range of tools available.

One similarity between current and previous methods of communication relates to the form of communication. In the past, both written forms such as letters were frequently used, in addition to oral forms such as telephone calls. Similarly, people nowadays use both of these forms. Just as in the past, written forms of communication are prevalent, for example via email and text messaging. In addition, oral forms are still used, including the telephone, mobile phone, and voice messages via instant messaging services.

However, there are clearly many differences in the way we communicate over long distances, the most notable of which is speed. This is most evident in relation to written forms of communication. In the past, letters would take days to arrive at their destination. In contrast, an email arrives almost instantaneously and can be read seconds after it was sent. In the past, if it was necessary to send a short message, for example at work, a memo could be passed around the office, which would take some time to circulate. This is different from the current situation, in which a text message can be sent immediately.

Another significant difference is the range of communication methods. Fifty years ago, the tools available for communicating over long distances were primarily the telephone and the letter. By comparison, there are a vast array of communication methods available today. These include not only the telephone, letter, email and text messages already mentioned, but also video conferences via software such as Skype or mobile phone apps such as Wechat, and social media such as Facebook and Twitter.

In conclusion, methods of communication have greatly advanced over the past fifty years. While there are some similarities, such as the forms of communication, there are significant differences, chiefly in relation to the speed of communication and the range of communication tools available. There is no doubt that technology will continue to progress in future, and the advanced tools which we use today may one day also become outdated.

Compare

 

Contrast

 

1

 

2

 
 

Compare transitions

 

Contrast transitions



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Checklist

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


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