Roberto consumes coke exclusively. he claims that there is a clear taste difference and that competing brands of cola leave an unsavory taste in his mouth. in a blind taste test, roberto is found to prefer coke to store-brand cola eight out of ten times. the results of roberto's taste test would refute claims by critics of brand names that

The answer to the question above is "brand names cause consumers to be more sensitive to product differences" based on the result of Roberto's taste test. In the blind test, Roberto did not feel the unsavory flavor from the generic store-coke and he prefers that generic store-coke. This test proves that Roberto's taste is distracted by the brand.