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

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22 Aug 2008, 14:28
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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 researchers 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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Re: CR1000:Q164 [#permalink]

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22 Aug 2008, 15:24
A. Programs designed to control the size of disease-bearing mosquito populations have not affected the incidence of mosquito borne encephalitis.
Does not strengthen in any way
B. The occupations of county residents affect their risk of exposure to mosquito-borne encephalitis more than does television-watching.
Irrelevant
C. The incidence of mosquito-borne encephalitis in counties with the largest number of television sets per capita is likely to decrease even further.
OOS as what is going to happen is not the concern
D. The more time people in a county spend outdoors, the greater their awareness of the dangers of mosquito-borne encephalitis.
Weakens
E. The more television sets there are per capita in a county, the more time the average county resident spends watching television.
IMO this is the answer which correctly strengthens the conclusion
Re: CR1000:Q164   [#permalink] 22 Aug 2008, 15:24
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Reviewing historical data, medical researchers in California

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