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Being in hindsight, people tend to overestimate what they had known in foresight. This phenomenon has been studied for a wide variety of knowledge domains (e.g., episodes with uncertain outcomes, results of football games, or solutions to almanac questions). As a result of these studies, hindsight bias turned out to be a robust phenomenon. Yet, all material tested so far was verbal in nature. No other senses were involved. In this paper, we present two experiments that successfully extended the domain of hindsight bias to gustatory judgments. Participants tasted different food items and were asked to estimate the quantity of a certain ingredient, for example, the residual sugar in a white wine. Judgments in both experiments were systematically biased towards previously presented low or high values that were labelled as the true quantities. Thus, hindsight bias can be considered a phenomenon that extends well beyond verbal materials.
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