Uncertainty as a predictor of similarity in the study of generalization.

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Abstract
Experiment I demonstrates that for 3 different statistical rules the uncertainty between an original random pattern of dots and its distortions is linearly related to perceived distance as obtained from magnitude estimates. In Experiment II these patterns are used to obtain a relationship between level of distortion and savings in a rote-learning transfer study. The amount of savings is best described as an inverse linear function of the level of distortion as measured by uncertainty. The overall results show the possibility of a psychophysics of form similarity based on stimulus uncertainty and demonstrate how this technique can be used to show a close quantitative relationship between the effect of uncertainty in rote transfer and concept-identification studies.

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