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4.1: Compare and Contrast

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    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 examining them closely and 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.

    Apples, Green and Red
    Figure \(\PageIndex{1}\) Apples, Green and Red

    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.

    Exercise 1

    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 2

    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:

    1. According to the subjects themselves, discussing one and then the other
    2. According to individual points, discussing each subject in relation to each point

    The organizational structure you choose depends on the nature of the topic, your purpose, and your audience. See the chart below, which diagrams the ways to organize the organic versus conventional vegetables thesis.

    Organize by Subject
    Figure \(\PageIndex{2}\) Organization Diagram

    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 Table of Phrases of Comparison and Contrast for examples.

    Table of 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

    Writing at Work

    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.

    Exercise 3

    Create an outline for each of the items you chose in the earlier exercises. Use the point-by-point organizing strategy for one of them, and use the subject organizing strategy for the other.

    Exercise 4

    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.

    Contributors and Attributions

    Adapted from Successful College Composition (Crowther et al.). Sourced from LibreTexts, licensed under CC BY-NC-SA .

    Adapted from Let's Get Writing (Browning, DeVries, Boylan, Kurtz and Burton). Sourced from LibreTexts, licensed under CC BY-NC-SA .


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