Abstract
72 Ss were assigned to 4 experimental and 6 control groups in a study of the effects of 2 different levels of probability of occurrence of a matching stimulus and a standard stimulus upon the orienting response (OR) to those stimuli. In addition, the dimension of similarity of standard and matching stimuli was assessed at 2 levels. Using skin conductance as the measure of the OR, results indicated that generalization of habituation occurred. There was no evidence that the dimension of similarity of standard stimulus-matching stimulus affected the degree of generalization. It was concluded that theoretical models of the OR be cautious in assigning precise generalization of habituation a central position.
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