Amnesia and hypnotic time estimation

Abstract
Previous research has shown that hypnotic Ss tend to underestimate the duration of the hypnotic interval (Bowers, 1979; Bowers & Brenneman, 1979). Based on Ornstein's (1969) work, the present investigation tested the hypothesis that such underestimation occurs to the extent that Ss are amnesic for the events of the hypnotic session. Two separate studies, in which time estimates were collected in conjunction with administrations of the Harvard Croup Scale of Hypnotic Susceptibility, Form A of Shor and E. Orne (1962), failed to find a relationship between responses to the amnesia suggestion and time estimation. Ss in both studies substantially underestimated the duration of the hypnotic interval, but the degree of such underestimation was not related to hypnotic responsiveness.

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