CR Parents : GMAT Critical Reasoning (CR)
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# CR Parents

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Director
Joined: 08 Jul 2004
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13 Sep 2004, 06:08
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Manager
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13 Sep 2004, 06:58
B.

By process of elimination. I don't find any answer closer to weakening the argument.
Director
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13 Sep 2004, 08:22
E.

Premise: Divorce increased since 1940
Conclusion: Number of single-natural-parent kids should have increased.

To weaken teh conclusion, we should either prove that the negative (prove that the kids stay with both parents after divorce) or prove the alternative cause (prove that the alternative cause for single-natural-parent kids have decreased, thereby nuetralising the effect).

E does the second one. If E is true, no. of single-natural-parent kids are not necessarilly greater than 1940
Manager
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13 Sep 2004, 10:39
I will choose E too.

E weakens the inference because more families will remain together due to medical treatments.

Please correct me if I am wrong.

Regards,

Alex
Manager
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13 Sep 2004, 12:07
I agree with Hardworker Indian. E
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27 Sep 2004, 17:56
I believe it is (A)

D/M has increased. If we can show that M has decreased then we can say that D/M has increased but children have not
Director
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28 Sep 2004, 00:20
E for me.

E says D/M has relationship to Cd/(Cm+Cs) (where Cd=Children raised by one of the Divorced parents, Cm=Children raised by Married parents both of whom are alive and Cs is Children raised by single parent(wherein one parent is dead)). If Cs is decreased the ratio D/M will increase.
Senior Manager
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28 Sep 2004, 02:51
It is E for me also.
I agree with Hardworker's logic.

Will like to add that the conclusion attributes only divorce as the cause for the increase for a single parent.
E offers another cause and thus weakens the conclusion.
Manager
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03 Oct 2004, 05:11
D for me. i think E actually strengthens the case.
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03 Oct 2004, 05:11
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