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GMAT Prep CR [#permalink] New post 07 Aug 2010, 10:53
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60% (02:05) correct 40% (01:23) wrong based on 0 sessions
Please guide me through question. Didn't understand properly.
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Re: GMAT Prep CR [#permalink] New post 07 Aug 2010, 11:04
The conclusion is non causal.
Conclusion - The number of social work volunteers will NOT decrease even if volunteering does not boost longevity.
You need to find a non causal connection to strengthen the last line.

A - is the alternate explanation. Women by habit are nicer and do more volunteering than men. There is no causal connection between longevity and volunteering. So you got the Z factor (the third factor) which directly weakens the causal connection (volunteering X leading to Y longevity)

B - Irrelevant

C - C is again causal connection (X leads to Y). You may want to go at 180 degree.

D - Irrelevant.

E - Contradicts the premise. Its a strict NO NO.
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Re: GMAT Prep CR [#permalink] New post 07 Aug 2010, 12:22
Volunteering (cause) leads to longevity (effect) in people. There is another reason that can lead to longevity if it is not volunteering. Find another cause.

A says that the group studied included women and women (cause) tend to live longer (longevity) [effect]
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Re: GMAT Prep CR [#permalink] New post 11 Aug 2010, 00:19
This question is also addressed here:
gmat-prep-cr-93789.html?hilit=prep#p721934
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Re: GMAT Prep CR   [#permalink] 11 Aug 2010, 00:19
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