Among people experience migraine headaches, some experience : GMAT Critical Reasoning (CR)
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# Among people experience migraine headaches, some experience

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16 Jun 2008, 04:06
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Among people experience migraine headaches, some experience what doctors call"common" migraines, whereas others experience "classical" migraines. Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines, whereas spouses of classical migraine suferers are no more likely than the general population to experience such headaches.

The information above provides the most support for which of the following hypotheses?

(A) Susceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines.
(B) Unmarried adults are more likely to suffer from classical migraines than they are to suffer from common migraines.
(C) People who do not experience migraine headaches are unlikely to have spouses who are migraine headache sufferers.
(D) Children of people who suffer from common migraines are more likely than the general population to experience a common migraine.
(E) Between one-quarter and one-half of the general population suffer from either common or classical migraine headaches.
[Reveal] Spoiler: OA
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Re: CR: common vs. classical migraines [#permalink]

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07 Jul 2010, 04:12
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The correct answer is A. Here is why:

When I started to read this stimulus, I can tell that the author wants you to make distinction between siblings and spouse. The first sentence doesn't really help but the key to this question is the last sentence. There's a distinction and comparison between siblings of classical migraine sufferers and spouse of classical migraine sufferers. Author posits that siblings of classical migraine sufferers are four times more likely than general population to experience classical migraine. On the other hand, spouse of classical migraine sufferers are no more likely than general population to experience classical migraine. If you understand this then it should be clear why A is correct. A is synonymous to the last sentence of the passage, the author just puts it in a different or perhaps more convoluted way to catch the test takers.

Why D is incorrect? The prompt only talks about siblings (brother & sister) and spouses (husband/wives) of the migraine sufferers. The author never talk about children of migraine sufferers, therefore choice D could be true but not must be true. We need more information. However, answer choice A must be true, this is why A is correct.
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 04:11
A?
OA ?
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 05:20
A for me as well
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 05:25
lexis wrote:
Among people experience migraine headaches, some experience what doctors call"common" migraines, whereas others experience "classical" migraines. Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines, whereas spouses of classical migraine suferers are no more likely than the general population to experience such headaches.

The information above provides the most support for which of the following hypotheses?

A)Susceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines.
B)Unmarried adults are more likely to suffer from classical migraines than they are to suffer from common migraines.
C)People who do not experience migraine headaches are unlikely to have spouses who are migraine headache sufferers.
D)Children of people who suffer from common migraines are more likely than the general population to experience a common migraine.
E)Between one-quarter and one-half of the general population suffer from either common or classical migraine headaches.

A is very straightforward here. Since classical migraine affects the siblings too, it shows that it's genetically linked.
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 06:25
lexis wrote:
Among people experience migraine headaches, some experience what doctors call"common" migraines, whereas others experience "classical" migraines. Siblings and spouses of common migraine sufferers are themselves twice as likely as the general population to experience common migraines. Siblings of classical migraine sufferers are four times more likely than the general population to experience classical migraines, whereas spouses of classical migraine suferers are no more likely than the general population to experience such headaches.

The information above provides the most support for which of the following hypotheses?

A)Susceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines.
B)Unmarried adults are more likely to suffer from classical migraines than they are to suffer from common migraines. (stem does not differentiate unmarried and married adults so this is not relevant)
C)People who do not experience migraine headaches are unlikely to have spouses who are migraine headache sufferers. (stem does not talk about it)
D)Children of people who suffer from common migraines are more likely than the general population to experience a common migraine. (again the stem does not say anything like this)
E)Between one-quarter and one-half of the general population suffer from either common or classical migraine headaches.
There is nothing in the stem from which we can infer this

IMO A is the answer . i arrived at my answer by chosing POE
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 08:14
To me both A & D sound right, but as D doesnt include classical migraine in it, A seems to be a more inclusive answer and hence better.
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 20:39
Another in for A.
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Re: CR: common vs. classical migraines [#permalink]

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16 Jun 2008, 20:44
Will go with A....since this is a hypotheses and not a support question ...in which case it could have been D.
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Re: CR: common vs. classical migraines [#permalink]

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17 Jun 2008, 06:27
GO with A. THe passage supports only A and I'd be suprised if I'm wrong on this one. Thanks!
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Re: CR: common vs. classical migraines [#permalink]

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18 Jun 2008, 14:14
whats the OA?
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Re: CR: common vs. classical migraines [#permalink]

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18 Jun 2008, 21:26
OA is A
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Re: CR: common vs. classical migraines [#permalink]

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06 Jul 2010, 05:05
I will go with A
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Re: CR: common vs. classical migraines [#permalink]

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06 Jul 2010, 05:59
agree with A
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Re: CR: common vs. classical migraines [#permalink]

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06 Jul 2010, 06:41
Another one for A. This is a straight forward answer, isn't it?
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Re: CR: common vs. classical migraines [#permalink]

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06 Jul 2010, 10:14
I also assume that A is the correct answer.
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Re: CR: common vs. classical migraines [#permalink]

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06 Jul 2010, 10:47
A for me
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Re: CR: common vs. classical migraines [#permalink]

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07 Jul 2010, 01:22
I was doubting between A and D.
Finally I choose D....the wrong one!
Can anybody explain why this one cannot be the right answer?
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Re: CR: common vs. classical migraines [#permalink]

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07 Jul 2010, 22:35
Thank you so much for the explanation.
In fact my mistake came from the word siblings. I was not very sure about the meaning and though that it includes the children as well as some other members of the family of one person. Now it's very clear for me why the answer is A.
Thanks again!
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Re: CR: common vs. classical migraines [#permalink]

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07 Jul 2010, 22:46
Got A from POE. I guess whatever works. All others may very well not hold.
Re: CR: common vs. classical migraines   [#permalink] 07 Jul 2010, 22:46

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