CR-Boldface : GMAT Critical Reasoning (CR)
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CR-Boldface

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Director
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CR-Boldface [#permalink]

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23 Jun 2007, 23:24
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95% (02:27) correct 5% (02:01) wrong based on 41 sessions

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24 Jun 2007, 23:00
(A)

POE

B - second one is not opposed
C - first one is not challenged
D - first one is judgement
E - second is not exceptional cases
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25 Jun 2007, 00:14
the ans in my opinion is D. The 2 statements are in the order: "proposition - explaination"

The paleontologists have proposed that the decline could be due to cold. The first statement proposes that the statement by them was probably right. The second statement is an explaination to the same.
A- the first statement does not introduce the concept.

D-the first statement is a judgement on the proposal of the paleontologists. The second statement a conclusion in support.

The method of reasoning used is not robust. Both the proposal and the conclusion are weak!!
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Re: CR-Boldface [#permalink]

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16 Oct 2014, 22:44
IMO D.
Could u please tell us if u got it correct?
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CR-Boldface [#permalink]

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03 Nov 2014, 04:01
LM wrote:
Please explain

Step 1: Identify the conclusion:

What is the conclusion?
the cold probably did cause the population declines, though indirectly.

Note Paleontologist's emphasis on 'indirectly' against 'outright'.

Step 2: Identify the role of BF2 w.r.t. the conclusion.

Most probably, the plankton suffered a severe population decline as a result of sharply lower temperatures at the surface, depriving many bottom-dwellers of food.
(Pal's opinion)

It's paleontologist's opinion too. -It supports the conclusion.

BF1: Paleontologist's conclusion
BF2: Paleontologist's opinion in support of the conclusion

Step 3: Apply POE

In the paleontologist's reasoning, the two portions in boldface play which of the following roles ?

(A) The first introduces the hypothesis proposed by the paleontologist; the second is a judgement offered in spelling out that hypothesis.
(B) The first introduces the hypothesis proposed by the paleontologist; the second is a position that the paleontologist opposes.
(C) The first is an explanation challenged by the paleontologist; the second is an explanation proposed by the paleontologist
(D) The first is a judgement advanced in support of a conclusion reached by the paleontologist; the second is that conclusion.
(E) The first is a generalization put forward by the paleontologist; the second presents certain exceptional cases in which that generalization does not hold

OA is A.

Hope it helps!
Dolly Sharma
CR-Boldface   [#permalink] 03 Nov 2014, 04:01
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