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22 Mar 2021, 03:00
Kudos
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
75% (01:16) correct
25%
(01:42)
wrong
based on 197
sessions
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Not Attempted Yet
To score in the ninetieth percentile on the LSAT, one must study hard. If one studies four hours a day for one month, she will score in the ninetieth percentile. Hence, if a person scored in the top ten percent on the LSAT, then she must have studied at least four hours a day for one month.
Which one of the following most accurately describes the weakness in the above argument?
(A) The argument fails to take into account that not all test-prep books recommend studying four hours a day for one month.
(B) The argument does not consider that excessive studying can be counterproductive.
(C) The argument does not consider that some people may be able to score in the ninetieth percentile though they studied less than four hours a day for one month.
(D) The argument fails to distinguish between how much people should study and how much they can study.
(E) The author fails to realize that the ninetieth percentile and the top ten percent do not mean the same thing.
Which one of the following most accurately describes the weakness in the above argument?
(A) The argument fails to take into account that not all test-prep books recommend studying four hours a day for one month.
(B) The argument does not consider that excessive studying can be counterproductive.
(C) The argument does not consider that some people may be able to score in the ninetieth percentile though they studied less than four hours a day for one month.
(D) The argument fails to distinguish between how much people should study and how much they can study.
(E) The author fails to realize that the ninetieth percentile and the top ten percent do not mean the same thing.
29 Mar 2021, 04:15
Kudos
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Bunuel
Official Explanation
You may have noticed that this argument uses the converse of the fallacy “Confusing Necessary Conditions with Sufficient Conditions” mentioned earlier. In other words, it assumes that something which is sufficient is also necessary. In the given argument, this is fallacious because some people may still score in the ninetieth percentile, though they studied less than four hours a day for one month. Therefore the answer is (C).
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