Reviewing historical data, medical researchers in California : GMAT Critical Reasoning (CR)
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# Reviewing historical data, medical researchers in California

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Manager
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Reviewing historical data, medical researchers in California [#permalink]

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19 Mar 2007, 12:52
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Reviewing historical data, medical researchers in California found that counties with the largest number of television sets per capita have had the lowest incidence of a serious brain disease, mosquito-borne encephalitis. The researchers have concluded that people in these counties stay indoors more and thus avoid exposure to the disease.
The researchersâ€™ conclusion would be most strengthened if which of the following were true?
(A) Programs designed to control the size of disease-bearing mosquito populations have not affected the incidence of mosquito borne encephalitis.
(B) The occupations of county residents affect their risk of exposure to mosquito-borne encephalitis more than does television-watching.
(C) The incidence of mosquito-borne encephalitis in counties with the largest number of television sets per capita is likely to decrease even further.
(D) The more time people in a county spend outdoors, the greater their awareness of the dangers of mosquito-borne encephalitis.
(E) The more television sets there are per capita in a county, the more time the average county resident spends watching television.
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19 Mar 2007, 13:02
E for me. We need to strengthen the following conclusion: people in counties with the largest number of television sets per capita stay indoors more and thus avoid exposure to the disease. E perfectly strenthens is by providing a supporting premise, which is that people who own TVs actually watch them, thereby staying indoors.
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19 Mar 2007, 18:49
I would go with E as well.

(A) irrelevant
(B) weaken
(C) this is just a likely outcome if the researchers' conclusion were true.
(D) awareness seems irrelevant
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19 Mar 2007, 21:08
E !
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"Education is what remains when one has forgotten everything he learned in school."

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22 Mar 2007, 17:21
ricokevin wrote:
I would go with E as well.

(A) irrelevant
(B) weaken
(C) this is just a likely outcome if the researchers' conclusion were true.
(D) awareness seems irrelevant

OA is E.
I was traped by D. Just like your comment. I did not even have a look at (E), a lesson.
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23 Feb 2008, 12:57
E baby!
Re: CR: mosquito-borne encephalitis   [#permalink] 23 Feb 2008, 12:57
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