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A nationwide study of sibling rivalry shows that brothers and sisters

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V
Joined: 22 Jun 2014
Posts: 1047
Location: India
Concentration: General Management, Technology
GMAT 1: 540 Q45 V20
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WE: Information Technology (Computer Software)
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A nationwide study of sibling rivalry shows that brothers and sisters [#permalink]

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New post 05 Apr 2017, 07:52
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Difficulty:

  25% (medium)

Question Stats:

71% (01:09) correct 29% (00:47) wrong based on 68 sessions

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A nationwide study of sibling rivalry shows that brothers and sisters continue to compete throughout their lives. The majority of those who volunteered to be interviewed for the study convinced the researchers that many of their daily actions were caused by sibling rivalry.

If true, which of the following most weakens the findings stated above?

A) Short interviews tend to be less reliable than long interviews.

B) Rivalry between sisters is more intense than between brothers.

C) Causation is an elusive concept.

D) The siblings who volunteered for the study are atypical.

E) Competition is engaged in by many unrelated people.

Source: 800score

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Joined: 04 Sep 2015
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A nationwide study of sibling rivalry shows that brothers and sisters [#permalink]

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New post 05 Apr 2017, 10:39
A nationwide study of sibling rivalry shows that brothers and sisters continue to compete throughout their lives. The majority of those who volunteered to be interviewed for the study convinced the researchers that many of their daily actions were caused by sibling rivalry.

If true, which of the following most weakens the findings stated above?

A) Short interviews tend to be less reliable than long interviews.
The lenght of the interview is out of scope.

B) Rivalry between sisters is more intense than between brothers.
Out of scope since we are disuccing rivalry between brothers and sisters only.

C) Causation is an elusive concept.
Vague point,Does not provide a valid point.

D) The siblings who volunteered for the study are atypical.
To weaknen a argument that includes survey or stats ,The relliability of the survey can be questioned and since the point provides that the people who filled the survey were atypical or were not the true representation of the total group.
Correct answer.

E) Competition is engaged in by many unrelated people.
Out of scope., Competition between brother and sisters is onyl discussed.
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Joined: 14 Nov 2014
Posts: 667
Location: India
Schools: Rotman '20 (S)
GMAT 1: 700 Q50 V34
GPA: 3.76
Re: A nationwide study of sibling rivalry shows that brothers and sisters [#permalink]

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New post 05 Apr 2017, 21:12
HKD1710 wrote:
A nationwide study of sibling rivalry shows that brothers and sisters continue to compete throughout their lives. The majority of those who volunteered to be interviewed for the study convinced the researchers that many of their daily actions were caused by sibling rivalry.

If true, which of the following most weakens the findings stated above?

A) Short interviews tend to be less reliable than long interviews.

B) Rivalry between sisters is more intense than between brothers.

C) Causation is an elusive concept.

D) The siblings who volunteered for the study are atypical.

E) Competition is engaged in by many unrelated people.

Source: 800score


I bet on D ....credibility of survey is questioned in option D .
Intern
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Joined: 22 Oct 2016
Posts: 22
Re: A nationwide study of sibling rivalry shows that brothers and sisters [#permalink]

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New post 09 Apr 2017, 03:42
Can someone clarify the conclusion in this question. To me it looks more like a fact set than an argument to deal with Weaken questions.
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Re: A nationwide study of sibling rivalry shows that brothers and sisters   [#permalink] 09 Apr 2017, 03:42
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A nationwide study of sibling rivalry shows that brothers and sisters

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