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Can someone please explain : A researcher studying drug addicts found

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

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New post Updated on: 15 Mar 2018, 11:21
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A
B
C
D
E

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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.
C Some nonaddicts manipulate other people more than some addicts do.
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.


Official Answer says it's A, I think the answer is E.

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[Reveal] Spoiler: OA

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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Re: Can someone please explain : A researcher studying drug addicts found [#permalink]

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New post 15 Mar 2018, 10:55
Is it D??


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Re: Can someone please explain : A researcher studying drug addicts found [#permalink]

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New post 15 Mar 2018, 11:20
Answer A.
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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Re: Can someone please explain : A researcher studying drug addicts found [#permalink]

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New post 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.
C Some nonaddicts manipulate other people more than some addicts do.
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.


Official Answer says it's A, I think the answer is E.


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.

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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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