Primary Source Comparison Essay Structure

Throughout your academic career, you'll be asked to write papers in which you compare and contrast two things: two texts, two theories, two historical figures, two scientific processes, and so on. "Classic" compare-and-contrast papers, in which you weight A and B equally, may be about two similar things that have crucial differences (two pesticides with different effects on the environment) or two similar things that have crucial differences, yet turn out to have surprising commonalities (two politicians with vastly different world views who voice unexpectedly similar perspectives on sexual harassment).

In the "lens" (or "keyhole") comparison, in which you weight A less heavily than B, you use A as a lens through which to view B. Just as looking through a pair of glasses changes the way you see an object, using A as a framework for understanding B changes the way you see B. Lens comparisons are useful for illuminating, critiquing, or challenging the stability of a thing that, before the analysis, seemed perfectly understood. Often, lens comparisons take time into account: earlier texts, events, or historical figures may illuminate later ones, and vice versa.

Faced with a daunting list of seemingly unrelated similarities and differences, you may feel confused about how to construct a paper that isn't just a mechanical exercise in which you first state all the features that A and B have in common, and then state all the ways in which A and B are different. Predictably, the thesis of such a paper is usually an assertion that A and B are very similar yet not so similar after all. To write a good compare-and-contrast paper, you must take your raw data—the similarities and differences you've observed—and make them cohere into a meaningful argument. Here are the five elements required.

Frame of Reference. This is the context within which you place the two things you plan to compare and contrast; it is the umbrella under which you have grouped them. The frame of reference may consist of an idea, theme, question, problem, or theory; a group of similar things from which you extract two for special attention; biographical or historical information. The best frames of reference are constructed from specific sources rather than your own thoughts or observations. Thus, in a paper comparing how two writers redefine social norms of masculinity, you would be better off quoting a sociologist on the topic of masculinity than spinning out potentially banal-sounding theories of your own. Most assignments tell you exactly what the frame of reference should be, and most courses supply sources for constructing it. If you encounter an assignment that fails to provide a frame of reference, you must come up with one on your own. A paper without such a context would have no angle on the material, no focus or frame for the writer to propose a meaningful argument.

Grounds for Comparison. Let's say you're writing a paper on global food distribution, and you've chosen to compare apples and oranges. Why these particular fruits? Why not pears and bananas? The rationale behind your choice, the grounds for comparison, lets your reader know why your choice is deliberate and meaningful, not random. For instance, in a paper asking how the "discourse of domesticity" has been used in the abortion debate, the grounds for comparison are obvious; the issue has two conflicting sides, pro-choice and pro-life. In a paper comparing the effects of acid rain on two forest sites, your choice of sites is less obvious. A paper focusing on similarly aged forest stands in Maine and the Catskills will be set up differently from one comparing a new forest stand in the White Mountains with an old forest in the same region. You need to indicate the reasoning behind your choice.

Thesis. The grounds for comparison anticipates the comparative nature of your thesis. As in any argumentative paper, your thesis statement will convey the gist of your argument, which necessarily follows from your frame of reference. But in a compare-and-contrast, the thesis depends on how the two things you've chosen to compare actually relate to one another. Do they extend, corroborate, complicate, contradict, correct, or debate one another? In the most common compare-and-contrast paper—one focusing on differences—you can indicate the precise relationship between A and B by using the word "whereas" in your thesis:

Whereas Camus perceives ideology as secondary to the need to address a specific historical moment of colonialism, Fanon perceives a revolutionary ideology as the impetus to reshape Algeria's history in a direction toward independence.

Whether your paper focuses primarily on difference or similarity, you need to make the relationship between A and B clear in your thesis. This relationship is at the heart of any compare-and-contrast paper.

Organizational Scheme. Your introduction will include your frame of reference, grounds for comparison, and thesis. There are two basic ways to organize the body of your paper.

  • In text-by-text, you discuss all of A, then all of B.
  • In point-by-point, you alternate points about A with comparable points about B.

If you think that B extends A, you'll probably use a text-by-text scheme; if you see A and B engaged in debate, a point-by-point scheme will draw attention to the conflict. Be aware, however, that the point-by- point scheme can come off as a ping-pong game. You can avoid this effect by grouping more than one point together, thereby cutting down on the number of times you alternate from A to B. But no matter which organizational scheme you choose, you need not give equal time to similarities and differences. In fact, your paper will be more interesting if you get to the heart of your argument as quickly as possible. Thus, a paper on two evolutionary theorists' different interpretations of specific archaeological findings might have as few as two or three sentences in the introduction on similarities and at most a paragraph or two to set up the contrast between the theorists' positions. The rest of the paper, whether organized text- by-text or point-by-point, will treat the two theorists' differences.

You can organize a classic compare-and-contrast paper either text-by-text or point-by-point. But in a "lens" comparison, in which you spend significantly less time on A (the lens) than on B (the focal text), you almost always organize text-by-text. That's because A and B are not strictly comparable: A is merely a tool for helping you discover whether or not B's nature is actually what expectations have led you to believe it is.

Linking of A and B. All argumentative papers require you to link each point in the argument back to the thesis. Without such links, your reader will be unable to see how new sections logically and systematically advance your argument. In a compare-and contrast, you also need to make links between A and B in the body of your essay if you want your paper to hold together. To make these links, use transitional expressions of comparison and contrast (similarly, moreover, likewise, on the contrary, conversely, on the other hand) and contrastive vocabulary (in the example below, Southerner/Northerner).

As a girl raised in the faded glory of the Old South, amid mystical tales of magnolias and moonlight, the mother remains part of a dying generation. Surrounded by hard times, racial conflict, and limited opportunities, Julian, on the other hand, feels repelled by the provincial nature of home, and represents a new Southerner, one who sees his native land through a condescending Northerner's eyes.

Copyright 1998, Kerry Walk, for the Writing Center at Harvard University

Writing a Source Analysis Paper: The Ten-Step Process

There are many things that go into writing a good source analysis paper. One might compare it to building a house. Think about it: if you do not take the time to plan for construction, the house will fall. Writing a good thought paper is similar. Here is a ten-step process to help you write a better source analysis paper. These guidelines will help you in writing any short essay.

1) Before reading the documents, write down the assigned question that you are going to address in your paper. Read this question several times to yourself. The purpose of this exercise is to get you thinking about what your answer will be, before you begin reading.
2) Read the documents. Meanwhile, jot down any evidence from the documents that you might want to use in the paper.
3) Write a thesis statement that answers the assigned question.
4) Write down several sub-themes that you would like to address in the paper. Initially, write as many as you think of. Then pick the two most interesting subthemes that you would like to discuss.
5) Write an outline, like one listed below. After completing this outline, you'll find that the paper is virtually written. All you have to do now is write the first draft.

Suggested Source Analysis Paper Format:

A. Introductory paragraph

1. Write a lead sentence that gains the reader's attention. Example: When speaking of families, it is important not to neglect the issue of sexual behavior.
2. Introduce your thesis or primary argument. Example: The American Revolutionary War was less of a social revolution than it was a fight for economic autonomy.
3. Introduce sub-arguments or sub-themes that you are going to use to support your thesis.

B. Body of the paper

1. Discuss the sub-themes that you identified in the introductory paragraph, in separate paragraphs.
2. Write down page numbers of the book (document reader or textbook) that you're going to use to support these sub-themes.

C. Conclusion

1. Restate your thesis and sub-themes.
2. Write any closing comments.

6) Write the first draft of the paper.
7) After you've completed writing the first draft, the hard part begins. Yes, it's time to proofread.
8) When proofreading, you want to correct several things, which I've listed below:

Spelling—Most word processors have a spell-checking feature, but do not rely heavily on them. Use a dictionary, to correct any words that you are not sure about.

Usage—Be sure that you are using the word that you intend to use correctly.
Examples: there/their/they're, no/know, it's/its, lead/led, or any other homonym

Punctuation—Use periods, commas, semi-colons, colons, em-dashes (two hyphens), when necessary.
Verb tense—to improve the flow of your writing, choose a tense (i.e., past, present, future) and stick with it. Most historical writing speaks of figures from the past in the past tense ("John Hancock said...").

Paragraph construction—Think of each paragraph that you write as presenting a complete idea. Thus, you want to form a topic sentence that each subsequent sentence relates to. Then you want to make sure that the last sentence of each paragraph, flows into the first sentence of the following paragraph.

Words of hesitation—Try to eliminate words that connote a sense of hesitation (e.g., maybe, might, perhaps, possibly) unless you absolutely have to use them as qualifying language.

For more thorough editing, see the Style Sheet guidelines and the Paper Writing study aid.

9) After proofreading for these things, go back, and read your paper aloud. This process will allow you to hear any inconsistency that you did not pick up earlier when reading silently. Meanwhile, ask yourself the following questions:

a. Do my thesis, sub-themes, and conclusion make sense?
b. Do I support all of the statements that I've made with evidence from the readings?

10) This last step is probably the most important. Have someone else read your paper. Often a fresh eye will catch things that you did not. I will be happy to read drafts of your paper during my office hours.

Congratulations! You're ready to turn in your paper.

This paper authored by John Grant and modified by Sally Hadden and Robert Berkhofer.


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