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Among people experience migraine headaches, some experience

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Re: CR: common vs. classical migraines [#permalink]

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New post 08 Jul 2010, 00:48
geraldineclub wrote:
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?


Hi,

We can use the Kaplan denial test to prove that A must be true (and therefore correct) and that D could be false (and therefore incorrect):

If A were untrue--if susceptibility to classical migraines WAS NOT more dependent on hereditary factors--then there would be no available explanation for the discrepany in likelihood of genetic transmission, and thus that discrepancy could not exist, and thus a part of the passage would become falsified. But in an inference question every part of passage is necessarily true. Thus, choice A must be true.

On the other hand, choice D could be false without falsifying any part of the passage (primarily because the passage did not establish anything that had to be true about "children"--"children" are outside the scope).

TAKEAWAYS:
--we can use the Kaplan denial test in inference questions (many people think it can only be used in necessary assumption questions).
--the correct answer will always be very CLOSE to the passage (notice that every idea of choice A is discussed in the passage either explicitly or implicitly); converesely, facts about "children" cannot be inferred from the text of the passage.

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Re: CR: common vs. classical migraines [#permalink]

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New post 16 Jul 2010, 06:39
choice A is best.

other options are irrelevent to the argument.

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Re: CR: common vs. classical migraines [#permalink]

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New post 17 Jul 2010, 03:24
A
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Re: CR: common vs. classical migraines [#permalink]

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New post 08 Jul 2011, 08:25
A for me.

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Re: CR: common vs. classical migraines [#permalink]

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New post 09 Jul 2011, 12:36
chose D without checking whether children have been mentioned in the passage or not..
An easy question though..

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Re: CR: common vs. classical migraines [#permalink]

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New post 11 Jul 2011, 09:42
Let x be a number of counts of migraine

General populace: x

Common migraine: Sib=2x; Spouse=2x

Classical migraine: Sib=4x; Spouse=x

From above statistics, we can infer that
brothers & sisters of classical sufferers have 4x chances whereas
brothers & sisters of common sufferers have 2x chances
Because brothers & sisters (siblings) are related by blood, we can
say that hereditary factor play a major role in acquiring classical migraine
than in common migraine.
This is the position of option A.

On the other hand, spouses of common migraine have 2x chances whereas
spouses of classical migraine have x chance
From the statistics, Spouses of common migraine are more prone than are
those of classical migraine.
However, this is not discussed in any of the options.


Do I make any sense or am I over stating what is meant in the stem?
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Re: CR: common vs. classical migraines [#permalink]

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New post 23 Jul 2011, 21:54
+ 1 A, nice question, took me almost 2.30 mins

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Re: CR: common vs. classical migraines [#permalink]

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New post 30 Jul 2011, 00:21
Quite straightforward. It's A. My reasons for choosing this is as follows:

(A) Susceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines. [Correctly identifies support to the premise and the major part of the passage states the instances for this]
(B) Unmarried adults are more likely to suffer from classical migraines than they are to suffer from common migraines. [There is nothing in the passage that suggests how vulnerable unmarried adults will be]
(C) People who do not experience migraine headaches are unlikely to have spouses who are migraine headache sufferers.[Again, out of scope]
(D) Children of people who suffer from common migraines are more likely than the general population to experience a common migraine.[Out of scope, also]
(E) Between one-quarter and one-half of the general population suffer from either common or classical migraine headaches.[Out of scope]
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 19 Nov 2011, 04:47
Pretty easy ... A is the answer
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 13 Dec 2011, 03:13
Common migraine in SIBLINGS and SPOUSES get = 2 x Common migraine in GENERAL POPULATION

Classical migraine in SIBLINGS = 4x classical migraine in GENERAL POPULATION = 4 4x classical migraine in SPOUSES

A is exactly correct, stating the premise in the argument.

A)Susceptibility to classical migraines is more dependent on hereditary factors than is susceptibility to common migraines.
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 26 Dec 2011, 12:17
+1 A

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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 27 Dec 2011, 05:02
From the premises given, A must be true. Others may be real-world-true or may be true according to the premises. But they may not necessarily be true.
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 27 Dec 2011, 19:24
A wins
D thus a premise in the argument, hence, it is not the answers
hope this help

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Re: CR: common vs. classical migraines [#permalink]

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New post 16 Jan 2012, 10:46
geraldineclub wrote:
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?


Except A, all other options can be ruled out on the basis that they all include information that is outside of the argument where the argument talks about siblings and spouses only: no unmarried people, no children, etc.
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 06 Feb 2012, 22:57
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.


After reading stimulus I made following chart :
sib spouse
comm. 2 2
class. 4 1 where numbers denote likelihood of migraine wrt common man

thus we can see comm migraine effect sibling and spouse equally while class migraine effect siblings more than spouse. Now siblings share hereditary factors but not spouses. hence option A seemed correct on first thought.

B out of scope we could ascertain nothing form stimulus abt unmarried .

C again we can also say something abt people who have migraine from data in stimulus.

D no specific info childeren could be deduced from arg.

E nothing abt population as a whole could be ascertain from stimulus.

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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 12 Jul 2013, 04:45
A.. should be answer.. which supports the thesis

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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 14 Jul 2013, 07:00
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.



I tried to do this question through elimination and would try and explain it here

a) A can be the answer as its clear that siblings of classical migraine sufferers are four times as likely than general population and siblings of common migraine sufferers are twice as likely.
b) B cant be the answer as unmarried adults are not mentioned in the passage at all.
c) C cant be the answer as again its unrelated to the passage.
d) D can be the answer but on close view D talks about children and in the passage only spouse and siblings are mentioned.
Hence D can be eliminated.
e) E again is pretty unrelated to the content of the passage.
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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 15 Jul 2013, 12:04
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.


Is it just me or the starting line of this questions is not correct i think it should be experiencing instead of experience

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Re: Among people experience migraine headaches, some experience [#permalink]

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New post 05 Oct 2013, 23:58
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,
But this is must be true question and not the strengthen .

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Re: Among people experience migraine headaches, some experience [#permalink]

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Re: Among people experience migraine headaches, some experience   [#permalink] 24 Nov 2014, 12:30

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