Most people believe that yawning is most powerfully : GMAT Critical Reasoning (CR)
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# Most people believe that yawning is most powerfully

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Manager
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Most people believe that yawning is most powerfully [#permalink]

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12 Mar 2007, 01:49
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Most people believe that yawning is most powerfully triggered by seeing someone else yawn. This belief about yawning is widespread not only today, but also has been commonplace in many parts of the world in the past, if we are to believe historians of popular culture. Thus, seeing someone else yawn must be the most irresistible cause of yawning.

The argument is most vulnerable to which one of the following criticisms?

(A) It attempts to support its conclusion solely by restating that conclusion in other words.

(B) It cites the evidence of historians of popular culture in direct support of a claim that lies outside their area of expertise.

(C) It makes a sweeping generalization about yawning based on evidence drawn from a limited number of atypical cases.

(D) It supports its conclusion by appealing solely to opinion in a matter that is largely factual.

(E) It takes for granted that yawns have no cause other than the one it cites.

I think the answer is (B). But the OA given is (D)

Can anyone explain what is the answer and why is it the answer?
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Director
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12 Mar 2007, 01:54
I think the answer is D. Just because 10000 people think that something is true does not make it true. There is no scientific basis for the author's conclusion.
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12 Mar 2007, 02:09
Answer should be D, apply elimination rule...

Explanation:

(A) It attempts to support its conclusion solely by restating that conclusion in other words. (this is not true)

(B) It cites the evidence of historians of popular culture in direct support of a claim that lies outside their area of expertise. (challenging the area of expertise is out of scope just avoid it)

(C) It makes a sweeping generalization about yawning based on evidence drawn from a limited number of atypical cases. (limited number of atypical cases-not really)
(D) It supports its conclusion by appealing solely to opinion in a matter that is largely factual. (This is true but i am whether to eliminate)
(E) It takes for granted that yawns have no cause other than the one it cites.
(No its not true, it never said that)

Except D none fits in.

regards,

Amardeep
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13 Mar 2007, 09:29
D

B is wrong because we need to attack the argument. The historian IS in his area of expertise which is judging peoples beliefs. We need to attack the belief, which is an opinion. Therefore the author concludes facts based on the opinion.
13 Mar 2007, 09:29
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# Most people believe that yawning is most powerfully

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