Answer:
The answer is option D) The results of Haidy's taste test would refute claims by critics of brand names that brand names cause consumers to perceive differences that do not really exist.
Step-by-step explanation:
The claim that brand names cause consumers to perceive differences that do not really exist did not apply to Haidy because, Clearly there was a measurable difference in her preferred brand-pepsi.
According to her experience, pepsi tastes better than other brands of cola- the products in the same category with pepsi in the market.
Her experience reveals an unsavory taste when she takes other brands, this claim was clearly proven with a 90% pepsi preference level in a blind taste test.