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The number of articles concerning the use of sensatorium dummies

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The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 07 Oct 2014, 10:37
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Difficulty:

  35% (medium)

Question Stats:

71% (01:35) correct 29% (01:36) wrong based on 248 sessions

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The number of articles concerning the use of sensatorium dummies in crash testing published last year in consumer magazines was considerably lower relative to prior years. No longer manufactured, these dummies can be severely damaged in crash tests and many of the sensatorium dummies damaged two years ago are still awaiting necessary repairs. It is clear, therefore, that the lower number of consumer magazine articles published last year about sensatorium dummies was due to the decline in their availability for use.

Which of the following, if true, most seriously weakens the news reporter's argument?

A. All articles about crash tests involving sensatorium dummies that were submitted for publication last year were published.

B. The average time that crash test managers must wait to use a sensatorium dummy has increased over the past few years.

C. The number of consumer magazines on the market was the same last year as in prior years.

D. Sensatorium dummies cannot be utilized for more than one cycle of crash tests in a given year.

E. Responding to competition, most consumer magazines began last year by introducing a new format limiting their former emphasis on crash test articles.
[Reveal] Spoiler: OA

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Re: The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 07 Oct 2014, 12:09
E seems best: Responding to competition, most consumer magazines began last year by introducing a new format limiting their former emphasis on crash test articles

reasoning: to weaken a causal reasoning, it is best to to provide an alternate reason. E does exactly that!

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Re: The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 24 Oct 2014, 03:49
Why not option 'D'? 'D' suggests that the dummies were used only once per cycle of crash test -> which implies that since the overuse of the dummies was avoided they could have been re-used this year? The argument says that many are not in a shape that they could be re-used, but what about the rest of the used dummies?

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Re: The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 24 Oct 2014, 07:00
p2bhokie wrote:
Why not option 'D'? 'D' suggests that the dummies were used only once per cycle of crash test -> which implies that since the overuse of the dummies was avoided they could have been re-used this year? The argument says that many are not in a shape that they could be re-used, but what about the rest of the used dummies?


Great point p2bhokie!

The way I interpreted this question, I still chose E because it makes the number of dummies available in the world an irrelevant factor to the number of articles published (even if there were millions of dummies, the magazines chose to stop writing about them). Because it attacks the root assumption of the argument, I thought it "most seriously" weakens the argument.

The flaw in logic being attacked here is correlation/causation. The argument assumes that because there are fewer dummies and fewer articles that there must be a correlation between quantities and coverage.

Not related, but this reminds me of a real-world example: 1 ebola case in Dallas gets a thousand published articles, whereas thousands of ebola cases in Africa get significantly less coverage.

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Re: The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 05 Dec 2017, 22:52
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.

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Re: The number of articles concerning the use of sensatorium dummies [#permalink]

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New post 23 Dec 2017, 12:44
this question and E are the common and important pattern in gmat.

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Re: The number of articles concerning the use of sensatorium dummies   [#permalink] 23 Dec 2017, 12:44
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