Abstract
Ten Ss were selected from a group of 40 screened to determine misnaming of stimuli usually called sour (hydrochloric and citric acid) and bitter (quinine sulfate). The 10 Ss were then given 16 trials in which they were asked to match the stimuli to standards, with or without verbal feedback for each stimulus. This was followed by 16 trials without feedback for all Ss and, several days later, by a 16-trial posttest. Final improved performance of the Ss was not affected by having received the feedback. It was concluded that experience with the stimuli leads to a reduction in the degree of misnaming, implying a nonphysiological basis for sour-bitter confusions.
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McAuliffe, W.K., Meiselman, H.L. The roles of practice and correction in the categorization of sour and bitter taste qualities. Perception & Psychophysics 16, 242–244 (1974). https://doi.org/10.3758/BF03203936
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DOI: https://doi.org/10.3758/BF03203936