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When people engage in activities that help others, their brain release

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Status: Simply - Chasing GMAT
Joined: 04 May 2010
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Concentration: International Business, Entrepreneurship
GMAT Date: 01-30-2012
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When people engage in activities that help others, their brain release  [#permalink]

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New post 07 Aug 2010, 10:53
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Difficulty:

  45% (medium)

Question Stats:

75% (00:41) correct 25% (01:41) wrong based on 36 sessions

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Which of the following most logically completes the argument?

When people engage in activities that help others, their brain releases endorphins, the brain’s natural opiates, which induce in people a feeling of well-being. It has been suggested that regular release of endorphins increases people’s longevity. And a statistic on adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer. However, that statistic would be what we would expect even if volunteering does not boost longevity, because _______.


(A) in the communities studied, women were much more likely to do regular volunteer work than men were, and women tend to live longer than men do.

(B) the number of young adults who do regular volunteer work is on the increase.

(C) the feelings of well-being induced by endorphins can, at least for a time, mask the symptoms of various conditions and diseases, provided the symptoms are mild.

(D) it is rare for a person to keep up a regular schedule of volunteer work throughout his or her life.

(E) Some people find that keeping a commitment to do regular volunteer work becomes a source of stress in their lives.

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Status: Impossible is not a fact. It's an opinion. It's a dare. Impossible is nothing.
Affiliations: University of Chicago Booth School of Business
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Re: When people engage in activities that help others, their brain release  [#permalink]

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New post 07 Aug 2010, 11:04
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The conclusion is non causal.
Conclusion - The number of social work volunteers will NOT decrease even if volunteering does not boost longevity.
You need to find a non causal connection to strengthen the last line.

A - is the alternate explanation. Women by habit are nicer and do more volunteering than men. There is no causal connection between longevity and volunteering. So you got the Z factor (the third factor) which directly weakens the causal connection (volunteering X leading to Y longevity)

B - Irrelevant

C - C is again causal connection (X leads to Y). You may want to go at 180 degree.

D - Irrelevant.

E - Contradicts the premise. Its a strict NO NO.
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Re: When people engage in activities that help others, their brain release  [#permalink]

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New post 07 Aug 2010, 12:22
Volunteering (cause) leads to longevity (effect) in people. There is another reason that can lead to longevity if it is not volunteering. Find another cause.

A says that the group studied included women and women (cause) tend to live longer (longevity) [effect]
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Re: When people engage in activities that help others, their brain release  [#permalink]

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New post 11 Aug 2010, 00:19
This question is also addressed here:
gmat-prep-cr-93789.html?hilit=prep#p721934
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Re: When people engage in activities that help others, their brain release  [#permalink]

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New post 14 Jan 2019, 07:05
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Re: When people engage in activities that help others, their brain release   [#permalink] 14 Jan 2019, 07:05
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When people engage in activities that help others, their brain release

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