Abstract
60 subjects sorted 49 Japanese words into 2 categories, P and U. Each subject next entered a learning situation in which 10 of the words were presented on a memory drum, and was required to learn to pronounce 5 and not to pronounce the other 5. The 10 words were ones employed similarly in the learning situation described in preceding reports of this series. The 5 words pronounced were ones receiving the lowest mean rank orders in preceding exps. Finally each subject again sorted all 49 words. Treatment of the results was in terms of % of Ps before and after learning. The results show (1) Absolute affective values are increased by positive reactions and decreased by negative reactions; (2) the effect of positive reactions is stronger than that of negative reactions; (3) the relative values and changes in value measured by the method of single stimuli duplicate those previously reported by the method of rank order; (4) the former is the more sensitive of the 2 methods.

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