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Chapter 5.4 Comparison and Contrast

Comparison and Contrast

Comparison and contrast writing is a great way to evaluate a topic, especially when making a choice between two things. Comparing and contrasting is a primary tool for many workplace assessments. Comparison and contrast could be used to evaluate companies, departments, or individuals. In your personal life, it is useful in life when deciding which products and services to buy. You can also compare and contrast animal species, sports figures, books, and movies. We often engage in comparison and contrast in our everyday lives as we evaluate and explore the world around us.
In comparison paragraphs and essays, the similarities between specific elements, aspects, or factors of two subjects are discussed, while contrast writing discusses differences.  

Prewriting for Comparison and Contrast Writing

Exercise 5.4.1

Take a moment to look at these images: 

 

An image shows a beautiful woman with makeup and brown hairImage shows an old man with a hat, jacket, and beard. The image is in black and white

Work with a partner to discuss these three points.

  1. These images are similar in many ways. Can you list five similarities?
  2. Now, look at the differences between these two pictures in terms of gender, social class, wealth, beauty, ethnicity, fashion, and age.
  3. How does seeing these images together affect how you see each of them individually?

Brainstorming with a Venn diagram

Making a Venn diagram or a chart can help you quickly and efficiently compare and contrast two or more things or ideas. To make a Venn diagram, simply draw some overlapping circles, one circle for each item you’re considering. In the central area where they overlap, list the traits the two items have in common. Assign each one of the areas that doesn’t overlap; in those areas, you can list the traits that make the things different.  
Here’s a very simple example, using two pizza places: 

Venn Diagram shows Pepper's Pizza and Amante Pizza and the things that are similar and different for these places

Exercise 5.4.2

Imagine that you are going to write a compare-and-contrast essay about two types of transportation: a bike and a car. Use a Venn diagram like the one below to list the similarities and differences between them.

Writing comparison and contrast paragraphs

Topic Sentence

A good topic sentence for a compare-and-contrast paragraph should clearly state the two things being compared, the specific point by which they are being compared, and the main idea. Fortunately, in compare-and-contrast style writing, the main idea is simple: In what ways are the two items similar or different in regard to a particular point of comparison?

Exercise 5.4.3

Carefully read the paragraph below and consider these questions:  What are the two topics being compared? What is the point of comparison? Are they the same or different? Then write a topic sentence. 

_____________________. The first similarity is that followers of Christianity and Islam worship only one god, and this god is the source of rules that must be followed. These include prohibitions on killing and stealing, and the requirement to worship on a particular day of the week. A second similarity is that both religions have a holy book. For Christians, this is the Bible; for Muslims, the sacred text is the Qur’an. Both books provide guidance for followers of the religion with regard to suitable behavior. A third similarity is that both religions have a long history of pilgrimage. All Muslims are required to travel to the city of Mecca in Saudi Arabia at least once in their lives. Christians do not have this exact requirement, but many of the great cathedrals in Europe have long been sites of pilgrimage. A final similarity, and perhaps the most important, is that both religions promote peace. While the conflict in the Middle East receives a lot of attention in the news, Muslims are quick to point out that Islam, like Christianity, is inherently a peaceful religion. Of course, there are differences between Christianity and Islam, such as the role of women in society and Islam’s ban on eating pork and drinking alcohol. However, it is worth remembering that the two religions have more in common than people often think.

Supporting sentences 

There are two methods for structuring the supporting sentences in a comparison and contrast paragraph: the Block Method or the Alternating Method.

Block Method

When you use the block method, you discuss one subject and then discuss the next subject. Usually, you write about the first subject and then write about the second subject and so on. For example, you may decide to discuss the costs associated with taking an online course. You may emphasize that while a person is getting the same education, he or she is saving by not having to drive to the college. In the next part, you may discuss the costs associated with an in person course: gas, parking permits, babysitting, etc. 

Block Method Outline Example Template

A diagram depicts the outline structure of the block method.I. Topic Sentence

II. Subject A

A. Point 1 of comparison/contrast

B. Point 2 of comparison/contrast

III. Subject B 

A. Point 1 of comparison/contrast

B. Point 2 of comparison/contrast

IV. Concluding Sentence

 

Example

I. The images are both closeups of a person’s face, but their faces tell us that they have had very different experiences. 

II. The woman

A. Socioeconomic status: appears wealthy

B. Age: youthful 

III. The man

A. Socioeconomic status: appears poor

B. Age: appears old 

IV. A closeup image of a person’s face can show the story of their lives.

Alternating Method

When you use the alternating method, you discuss one aspect of the first item and then immediately discuss the same aspect of the second item. You may discuss the amount of computer time required for an in-person course and an online course. You may state that while you need to work on the computer for both courses, you would need to spend twice as much time on the computer for the online course. 

Alternating Method Outline Example Template

I. Topic Sentence

II. Point 1 of comparison/contrast

A. Subject A

B. Subject B

III. Point 2 of comparison/contrast

A. Subject A

B. Subject B

IV. Concluding sentence 

Example

I. Topic Sentence: The images are both closeups of a person’s face, but their faces tell us that they have had very different experiences.

II. Socioeconomic Status

A. The woman: appears wealthy

B. The man: appears poor

III. Age

A. The woman: youthful

B. The man: old

IV. Concluding sentence: A closeup image of a person’s face can show the story of their lives.

Exercise 5.4.4.

Look at the two paragraphs below. Do they use the block method or the alternating method to organize the ideas?

1. My life in Canada is very different from my mother’s life in our old country. The main difference is that, as a girl, I have access to education in Canada. I am in high school now, and I have studied a range of subjects: English, math, chemistry, biology, physical education, music, and lots more. My mother had very little formal education, and most of her learning was from traditional books at home. Another difference is that I have more freedom than my mother had. I can go out with my friends, see a movie, or play soccer. My friends are both girls and boys. I am even learning to drive, so I will be more independent. My mother could not do those things. She had to stay at home, help her mother, and learn to cook traditional food. She certainly could not go to a movie with a boy! Finally, I know there will be a big difference in the career opportunities open to me later. After high school, I want to go to college and train to be a paramedic or a firefighter. My mother did not have those opportunities; as a girl, she was not expected to have a career, and certainly not the kind of career I want to have. She got married when she was very young, and she has never had a paying job. I’m not saying my life is better than my mom’s life; I’m just saying that living in a new culture makes a huge difference.

 

2. The economies for Bosnia and the United States have several similarities and differences when comparing the two. Bosnia is a developing country and the United States is a world power with a developed economy. Their budgets vary greatly. People in Bosnia rely mostly on agriculture while the United States produces agriculture amongst many other things. The CIA World Factbook website reports that both nations export wheat, corn, vegetables, and livestock. Based on their size differences, their GDP purchasing powers vary drastically. Where Bosnia has approximately 39 billion and the U.S is roughly at 17 trillion dollars. These differences and similarities affect the types of businesses people tend to start and employment opportunities.

Writing Comparison and Contrast Essays 

The comparison 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 focuses on contrast.

Thesis statement: Although both schools offer exceptional educational opportunity, the state university’s program of study and prospects for personal growth outweigh the lower price and convenience of the local community college.

Here the thesis sets up the two subjects to be compared and contrasted (community college and state university), and it makes a claim about the results that might prove useful to the reader.

Just like with paragraphs, you may organize comparison and contrast essays in one of the following two ways: 

  1. Block Method
  2. Alternating Method
 The organizational structure you choose depends on the nature of the topic, your purpose, and your audience. See the outline below, which exemplifies the ways to organize the organic versus conventional vegetables thesis in block method and alternating method formats. 

Example of Block Method

I. Introduction paragraph 

A. Hook

B. Thesis statement: Although both schools offer exceptional educational opportunity, the state university’s program of study and prospects for personal growth outweigh the lower price and convenience of the local community college.

I. Community College

A. Cost

1. Low tuition
2. Proximity to home cuts expenses
3. Commute means gas and parking costs

B. Location

1. Close to home
2. Proximity encourages prolonged dependence on family
3. Few chances for adventure/ personal growth outside school

C. Program of Study

1. Offers Associate of Arts degree in general biology
2. Offers general education courses needed to 4-year university for Bachelor of Science (BS)
3. Faculty are well-credentialed and have excellent reputation for being student-centered

II. State University

A. Cost

1. Reasonable tuition but more expensive than comm. college
2. Housing cost will be substantial, even if dorm available
3. Relocation and transfer costs will be expensive

B. Location

1. Distance too far to commute
2. Distance from home will require increase in personal growth/responsibility
3. New opportunities for adventure

C. Program of Study

1. Offers Bachelor of Science degree in marine biology (program of most interest to applicant)
2. Attendance as a freshman and sophomore means getting to know the faculty with whom one will work during rigorous upper level courses
3. Faculty are well-published in field and have international reputations

III. Conclusion

Example of Alternating Method

I. Introduction paragraph 

A. Hook

B. Thesis statement: Although both schools offer exceptional educational opportunity, the state university’s program of study and prospects for personal growth outweigh the lower price and convenience of the local community college.

I. Cost

A. Community College

1. Low tuition
2. Proximity to home cuts expenses
3. Commute means gas and parking costs

B. State University

1. Reasonable tuition but more expensive than comm. college
2. Housing cost will be substantial, even if dorm available
3. Relocation and transfer costs will be expensive

II. Location

A. Community College

1. Close to home
2. Proximity encourages prolonged dependence on family
3. Few chances for adventure/ personal growth outside school

B. State University

1. Distance too far to commute
2. Distance from home will require increase in personal growth/responsibility
3. New opportunities for adventure

III. Program of Study

A. Community College

1. Offers Associate of Arts degree in general biology
2. Offers general education courses needed to 4-year university for Bachelor of Science (BS)
3. Faculty are well-credentialed and have excellent reputation for being student-centered

B. State University

1. Offers Bachelor of Science degree in marine biology (program of most interest to applicant)
2. Attendance as a freshman and sophomore means getting to know the faculty with whom one will work during rigorous upper level courses
3. Faculty are well-published in field and have international reputations

IV. Conclusion

Example

Here’s an example article from The New York Times “Who Wants to Shop in a Big Box Store, Anyway?” The author explores some interesting differences between the average American and average Indian consumer to contemplate the potential success of big box stores in India and also to contemplate why these giant big box corporations, like Walmart or Target, might have to rethink their business model. Which organization method does the author use to explore the differences? 

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 the chart below for examples.

Phrases of Comparison and Contrast

Comparison 

Contrast 

one similarity

one difference

another similarity

another difference

both

conversely

like

in contrast

likewise

unlike

similarly

while

in a similar fashion

whereas

Example Essay

Washington, DC vs. London

Both Washington, DC, and London are capital cities of English-speaking countries, and yet they offer vastly different experiences to their residents and visitors. Comparing and contrasting the two cities based on their history, their culture, and their residents show how different and similar the two are.

Both cities are rich in world and national history, though they developed on very different time lines. London, for example, has a history that dates back over two thousand years. It was part of the Roman Empire and known by the similar name, Londinium. It was not only one of the northernmost points of the Roman Empire but also the epicenter of the British Empire where it held significant global influence from the early sixteenth century on through the early twentieth century. Washington, DC, on the other hand, has only formally existed since the late eighteenth century. Though Native Americans inhabited the land several thousand years earlier, and settlers inhabited the land as early as the sixteenth century, the city did not become the capital of the United States until the 1790s. From that point onward to today, however, Washington, DC, has increasingly maintained significant global influence. Even though both cities have different histories, they have both held, and continue to hold, significant social influence in the economic and cultural global spheres.

Both Washington, DC, and London offer a wide array of museums that harbor many of the world’s most prized treasures. While Washington, DC, has the National Gallery of Art and several other Smithsonian galleries, London’s art scene and galleries have a definite edge in this category. From the Tate Modern to the British National Gallery, London’s art ranks among the world’s best. This difference and advantage has much to do with London and Britain’s historical depth compared to that of the United States. London has a much richer past than Washington, DC, and consequently has a lot more material to pull from when arranging its collections. Both cities have thriving theater districts, but again, London wins this comparison, too, both in quantity and quality of theater choices. With regard to other cultural places like restaurants, pubs, and bars, both cities are very comparable. Both have a wide selection of expensive, elegant restaurants as well as a similar amount of global and national chains. While London may be better known for its pubs and taste in beer, DC offers a different bar-going experience. With clubs and pubs that tend to stay open later than their British counterparts, the DC night life tend to be less reserved overall.

Both cities also share and differ in cultural diversity and cost of living. Both cities share a very expensive cost of living—both in terms of housing and shopping. A downtown one-bedroom apartment in DC can easily cost $1,800 per month, and a similar “flat” in London may double that amount. These high costs create socioeconomic disparity among the residents. Although both cities’ residents are predominantly wealthy, both have a significantly large population of poor and homeless. Perhaps the most significant difference between the resident demographics is the racial makeup. Washington, DC, is a “minority majority” city, which means the majority of its citizens are races other than white. In 2009, according to the US Census, 55 percent of DC residents were classified as “Black or African American” and 35 percent of its residents were classified as “white.” London, by contrast, has very few minorities—in 2006, 70 percent of its population was “white,” while only 10 percent was “black.” The racial demographic differences between the cities is drastic. 

Even though Washington, DC, and London are major capital cities of English-speaking countries in the Western world, they have many differences along with their similarities. They have vastly different histories, art cultures, and racial demographics, but they remain similar in their cost of living and socioeconomic disparity.

Exercise 5.4.5.

Choose two people who are significant in your life and have a similar relationship with you (two friends, two siblings, etc). Make a list of similarities and differences between these people. Consult your list, then draw a conclusion based on the presence of these similarities and differences. Outline the similarities and differences, then write a statement that offers an overall conclusion. 

Exercise 5.4.6.

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

Exercise 5.4.7.

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

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

Attributions

Comparing and Contrasting by The Writing Center, University of North Carolina at Chapel Hill is licensed under CC BY-NC-ND 4.0 

Introduction to Academic Writing for ESOL, Second Edition, released 2018, Compiled by Delpha Thomas; adapted by Tim Krause, is licensed under CC BY-NC-SA 4.0

5.6: Compare and Contrast authored, remixed, and/or curated by Jenifer Kurtz is shared under a CC BY-NC-SA 4.0 license

3.4: Writing Skills- The Compare/Contrast Paragraph is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts.

Techniques (Compare and Contrast) by Excelsior Online Writing Lab (OWL) is licensed under a CC BY 4.0.

Media Attributions

License

Icon for the Creative Commons Attribution-NonCommercial 4.0 International License

Introduction to Composition Copyright © by Shelley Decker; Mary Kieser; Heather Moulton; and Peter Shipman is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, except where otherwise noted.