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# Can someone please explain : A researcher studying drug addicts found

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Joined: 17 Feb 2018
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Updated on: 15 Mar 2018, 11:21
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Difficulty:

45% (medium)

Question Stats:

83% (01:23) correct 17% (01:19) wrong based on 12 sessions

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A researcher studying drug addicts found that, on average, they tend to manipulate other people a great deal more than nonaddicts do. The researcher concluded that people who frequently manipulate other people are likely to become addicts.

Which of the following, if true, most seriously weakens the researcher’s conclusion?

A After becoming addicted to drugs, drug addicts learn to manipulate other people as a way of obtaining drugs.
B When they are imprisoned, drug addicts often use their ability to manipulate other people to obtain better living conditions.
D People who are likely to become addicts exhibit unusual behavior patterns other than frequent manipulation of other people.
E The addicts that the researcher studied were often unsuccessful in obtaining what they wanted when they manipulated other people.

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Originally posted by CaptainMeow on 15 Mar 2018, 10:31.
Last edited by CaptainMeow on 15 Mar 2018, 11:21, edited 1 time in total.
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15 Mar 2018, 10:55
Is it D??

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GMAT 1: 680 Q49 V34
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15 Mar 2018, 11:20
Causal Argument
X caused Y ( people who frequently manipulate other people are likely to become addicts.)
Most commonly Weakened by Y caused X.(A After becoming addicted to drugs, drug addicts learn to manipulate other people as a way of obtaining drugs.)
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15 Mar 2018, 22:44
CaptainMeow wrote:
A researcher studying drug addicts found that, on average, they tend to manipulate other people a great deal more than nonaddicts do. The researcher concluded that people who frequently manipulate other people are likely to become addicts.

Which of the following, if true, most seriously weakens the researcher’s conclusion?

A After becoming addicted to drugs, drug addicts learn to manipulate other people as a way of obtaining drugs.
B When they are imprisoned, drug addicts often use their ability to manipulate other people to obtain better living conditions.
D People who are likely to become addicts exhibit unusual behavior patterns other than frequent manipulation of other people.
E The addicts that the researcher studied were often unsuccessful in obtaining what they wanted when they manipulated other people.

Discussed here: a-researcher-studying-drug-addicts-found-that-on-average-they-tend-35419.html Hope it helps.

P.S. Please search before posting. Thank you.

--== Message from the GMAT Club Team ==--

THERE IS LIKELY A BETTER DISCUSSION OF THIS EXACT QUESTION.
This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

To review the GMAT Club's Forums Posting Guidelines, please follow these links: Quantitative | Verbal Please note - we may remove posts that do not follow our posting guidelines. Thank you.

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Re: Can someone please explain : A researcher studying drug addicts found   [#permalink] 15 Mar 2018, 22:44
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