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V07-35

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Re: V07-35  [#permalink]

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New post 26 Nov 2016, 03:35
chismooo wrote:
I could not understand why C is wrong :( Could you explain?

I think A and C are so close, they both weaken the conclusion. A states another cause whereas C states a problem about the cause <>effect relation.
Both are the main right answer patterns for CR weaken questions.

I picked C. A states another reason but we do not know about the effects of reading book ( should we assume reading book is good for a quick sleep?)

However, in C, it is clearly mentioned that there is a reverse relation between cause and effect.


No, option C does not state a reverse cause and effect relation. It does not indicate that because of sleeplessness, people watch television at night. But your approach is correct - such reverse cause and effect relation is frequently used in GMAT strengthening / weakening questions. However this is not such a case - there would be clear implication of causation, not a correlation as stated in option C.
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Re: V07-35  [#permalink]

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New post 16 Dec 2016, 01:29
What confused me vis a vis response, is that you considered only Classical Music :: Peaceful Sleep, and ignored Late Night TV Watching :: Sleeplessness. Am i wrong in considering that as a part of the Conclusion ??
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Re: V07-35  [#permalink]

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New post 17 Dec 2016, 03:21
Omkar.kamat wrote:
What confused me vis a vis response, is that you considered only Classical Music :: Peaceful Sleep, and ignored Late Night TV Watching :: Sleeplessness. Am i wrong in considering that as a part of the Conclusion ??


Both are parts of the conclusion. However there is no option that weakens the second part (Late Night TV Watching :: Sleeplessness). Option A weakens the first part (Classical Music :: Peaceful Sleep).
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Re: V07-35  [#permalink]

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New post 07 Apr 2017, 11:47
Could someone explain why option D is wrong in this case?

We have to weaken the conclusion that listening to music contributes to restful sleep

Can it not be weakened by saying that mental engagement activity( reading/listening to music/watching tv) cannot contribute to a restful sleep?

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Re: V07-35  [#permalink]

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New post 29 Aug 2018, 17:58
answer C states, "Sleeplessness is more common among people who watch late-night television than among people who do not.... this stipulates a difference between those who watch TV and those who dont.

by contrast, answer A only states "People who enjoy classical music typically like to read just before bedtime."

This indicates nothing about the other group of people (i.e. those that are not nighttime readers)... it could just as well be that TV watchers also read right before bedtime (after watching TV)... in which case this answer choice would be incorrect.

in addition, though the sleeplessness & TV watching are indeed a correlation, many times in the OG questions, this is as close as we get to a direct counter-causation answer choice for a weaken question.

if sleeplessness is more common in TV watchers than non TV watchers. than perhaps its the night-time TV, but it could also be the reverse-causation of nighttime TV watchers being predisposed to having trouble sleeping.

in the same fashion as this answer choice (C) could go both ways, so too could answer choice A... given that answer choice C directly excludes the second group (marking a clear "line in the sand" difference between both groups, a difference that could be the reason why TV watchers have trouble sleeping and other dont), while answer choice A does NOT exclude the possibility that TV watchers read just as much, answer choice C would be more correct in my opinion.

another non-GMAT like question that does more harm than good, in my opinion (because if we were to compile every GMAC-published question similar to this one, the evidence would overwhelmingly favor an answer like C being correct and A "close-but-incorrect")
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Re: V07-35 &nbs [#permalink] 29 Aug 2018, 17:58

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