When researchers added a few drops of vinegar to a brand-name beer, the beer tasters disliked it only if they had been told they were drinking vinegar-laced beer. This best illustrates the impact of

Question

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The finding that the beer tasters disliked the beer only when they were told it was vinegar-laced suggests that their expectations or perceptual set influenced their taste perception. They were biased by their preconceived notions and beliefs about what beer should taste like, which altered their experience of the actual taste.

When Researchers Added a Few Drops of Vinegar to a Brand-Name