類似性構造に基づく図形分類反応の検討

概要

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The purpose of this study was to examine the relationship between the similarity structure of the schematic faces yielded by multidimensional scaling and the classification RTs. By manipulating the distribution of three attribute values, two sets of stimuli which differed in category discriminability were produced. Following the classification learning trials, subjects were asked to classify the stimuli into two classes as fast as possible. The classification RTs were highly correlated with the coordinates of dimension one of the similarity structure regardless of the category discriminability, and the correlation coefficient exceeded those between the classification RTs and any attribute value. The evidence suggests that the overall similarity relationships among stimuli are important factors in classifying stimuli, such as schematic faces.
公益社団法人日本心理学会の論文