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READING COMPREHENSION

Main Idea Questions
The main idea is usually stated in the last--occasionally the first--sentence of the first paragraph. If it's not there, it will probably be the last sentence of the entire passage.

Because main idea questions are relatively easy, the LSAT writers try to obscure the correct answer by surrounding it with close answer-choices ("detractors") that either overstate or understate the author's main point. Answer-choices that stress specifics tend to understate the main idea; choices that go beyond the scope of the passage tend to overstate the main idea.

The answer to a main idea question will summarize the author's argument, yet be neither too specific nor too broad.

Some common main idea questions are

Which one of the following best expresses the main idea of the passage?
The primary purpose of the passage is to . . .
In the passage, the author's primary concern is to discuss . . .

Description Questions
Description questions, as with main idea questions, refer to a point made by the author. However, description questions refer to a minor point or to incidental information, not to the author's main point.

These questions take various forms:

According to the passage . . .
In line 37, the author mentions . . . for the purpose of . . .
The passage suggests that which one of the following would . . .

The answer to a description question must refer directly to a statement in the passage, not to something implied by it. However, the correct answer will paraphrase a statement in the passage, not give an exact quote. In fact, exact quotes ("Same language" traps) are often used to bait wrong answers.

Caution: When answering a description question, you must find the point in the passage from which the question is drawn. Don't rely on memory--too many obfuscating tactics are used with these questions.

Not only must the correct answer refer directly to a statement in the passage, it must refer to the relevant statement. The correct answer will be surrounded by wrong choices which refer directly to the passage but don't address the question. These choices can be tempting because they tend to be quite close to the actual answer.

Once you spot the sentence to which the question refers, you still must read a few sentences before and after it, to put the question in context. If a question refers to line 20, the information needed to answer it can occur anywhere from line 15 to 25. Even if you have spotted the answer in line 20, you should still read a couple more lines to make certain you have the proper perspective.

Extension Questions
Extension questions are the most common. They require you to go beyond what is stated in the passage, asking you to draw an inference from the passage, to make a conclusion based on the passage, or to identify one of the author's tacit assumptions.

You may be asked to draw a conclusion based on the ideas or facts presented:

It can be inferred from the passage that . . .
The passage suggests that . . .

Since extension questions require you to go beyond the passage, the correct answer must say more than what is said in the passage. Beware of same language traps with these questions: the correct answer will often both paraphrase and extend a statement in the passage, but it will not directly quote it.

"Same Language" traps: For extension questions, any answer-choice that explicitly refers to or repeats a statement in the passage will probably be wrong.

The correct answer to an extension question will not require a quantum leap in thought, but it will add significantly to the ideas presented in the passage.

Application Questions
Application questions differ from extension questions only in degree. Extension questions ask you to apply what you have learned from the passage to derive new information about the same subject, whereas application questions go one step further, asking you to apply what you have learned from the passage to a different or hypothetical situation.

The following are common application questions:

Which one of the following is the most likely source of the passage? Which one of the following actions would be most likely to have the same effect as the author's actions?

You may be asked to complete a thought for the author:

The author would most likely agree with which one of the following statements? Which one of the following sentences would the author be most likely to use to complete the last paragraph of the passage?

To answer an application question, take the author's perspective. Ask yourself: what am I arguing for? what might make my argument stronger? what might make it weaker?