作者: Alice F. Schade , M. E. Bitterman
DOI: 10.3758/BF03343138
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摘要: Pigeons were trained in series of discriminative problems with stimuli differing both color and shape, one dimension relevant the other irrelevant each problem. An ORE for shape appeared late experiment, but color-reversal was retarded by overtraining. Overtraining. on shift to color, overtraining had no effect shape. Where reversal shifting differed difficulty, easier; opposite relation not produced