- Thu Aug 20, 2015 11:00 pm
#33745
Complete Question Explanation
Weaken—CE. The correct answer choice is (C)
The columnist in this stimulus makes a causal argument about the effect of advertising on the tendency to smoke. Citing research showing significant reductions in the number of first-time smokers in countries with stringent restrictions on tobacco advertising, the columnist concludes that tobacco companies are wrong when they say that “advertising has no significant causal impact on the tendency to smoke.” Essentially, the columnist concludes that the restrictions on tobacco advertising caused the reduction in the number of first-time smokers.
This is a Weaken question. Given the causal nature of the argument, we know that the correct answer choice will attack the argument’s causal conclusion. Since we are not going to doubt that the reduction in the number of first-time smokers occurred, we will focus our attack on the inference about what caused the reduction. The evidence about the restrictions on tobacco advertising only shows that there is a correlation between a reduction in tobacco advertising and a reduction in first-time smokers, but it does not prove causation. Our prephrase is that the correct answer choice will most likely identify an alternate cause for the reduction in the number of first-time smokers in those countries.
Answer choice (A): The focus of the argument was on the reduction in the number of first-time smokers. This answer choice does not address the issue of first-time smokers, and so does not weaken the conclusion.
Answer choice (B): The comparison in this answer choice between the restrictions on broadcast media and those on print media is irrelevant to the conclusion, because the argument did not distinguish between the relative impacts of broadcast and print media on the tendency to smoke.
Answer choice (C): This is the correct answer choice because it introduces an alternate cause for the reduction in smoking: a pre-existing negative attitude toward tobacco use that may also lead to the prohibition on tobacco advertising.
Answer choice (D): Here, the answer choice does nothing to address the effect of advertising on the tendency to smoke, and so is incorrect.
Answer choice (E): This answer choice is incorrect because it deals with only a subset of the population, those for whom no advertising has a significant effect. This does not attack the conclusion that the advertising in this case had a significant impact on the tendency to smoke.
Weaken—CE. The correct answer choice is (C)
The columnist in this stimulus makes a causal argument about the effect of advertising on the tendency to smoke. Citing research showing significant reductions in the number of first-time smokers in countries with stringent restrictions on tobacco advertising, the columnist concludes that tobacco companies are wrong when they say that “advertising has no significant causal impact on the tendency to smoke.” Essentially, the columnist concludes that the restrictions on tobacco advertising caused the reduction in the number of first-time smokers.
This is a Weaken question. Given the causal nature of the argument, we know that the correct answer choice will attack the argument’s causal conclusion. Since we are not going to doubt that the reduction in the number of first-time smokers occurred, we will focus our attack on the inference about what caused the reduction. The evidence about the restrictions on tobacco advertising only shows that there is a correlation between a reduction in tobacco advertising and a reduction in first-time smokers, but it does not prove causation. Our prephrase is that the correct answer choice will most likely identify an alternate cause for the reduction in the number of first-time smokers in those countries.
Answer choice (A): The focus of the argument was on the reduction in the number of first-time smokers. This answer choice does not address the issue of first-time smokers, and so does not weaken the conclusion.
Answer choice (B): The comparison in this answer choice between the restrictions on broadcast media and those on print media is irrelevant to the conclusion, because the argument did not distinguish between the relative impacts of broadcast and print media on the tendency to smoke.
Answer choice (C): This is the correct answer choice because it introduces an alternate cause for the reduction in smoking: a pre-existing negative attitude toward tobacco use that may also lead to the prohibition on tobacco advertising.
Answer choice (D): Here, the answer choice does nothing to address the effect of advertising on the tendency to smoke, and so is incorrect.
Answer choice (E): This answer choice is incorrect because it deals with only a subset of the population, those for whom no advertising has a significant effect. This does not attack the conclusion that the advertising in this case had a significant impact on the tendency to smoke.