時間の長さの心理的分布について
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概要
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There are two models for the distribution of internal duration; one assumes the normal, and the other, the triangular distribution. The purpose of this study was to examine for which distribution the internal duration of 60msec would fit better. In the forced-choice judgment of the duration of a dot or a cross, 320 reaction times (RTs) were obtained from each of two subjects. By the application of the latency function hypothesis (Navon, 1975), RT's distribution was converted into the distribution of internal duration. The results were: (a) The triangular distribution showed better fit than the normal distribution; (b) fit was worse when the stimulus was a cross rather than a single dot, which suggests that the processing time of cross (+) pattern has an effect on the internal duration.