Which of the following, if true, would most tend to weaken the conclusions drawn from “some of this research”(line 8)?
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AIn a subsequent study, consumers who were asked to evaluate new products with relatively low prices had the same perception of the products' performance risk as did consumers who were shown the same products priced more expensively.
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BIn a subsequent study, the quality of the advertising for the products that consumers perceived as having a lower performance risk was relatively high, while the quality of the advertising for the products that consumers perceived as having a higher performance risk was relatively poor.
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CIn a subsequent study, the products that consumers perceived as having a lower performance risk were priced higher than the highest priced products in the previous research.
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DNone of the consumers involved in this research had ever before bought products from the manufacturers involved in the research.
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EResearchers found that the higher the source credibility for a product, the more consumers were willing to pay for it.
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正确答案: A