The purpose of this study was to investigate effects of expectancy and attitude toward hypnosis onhypnotic susceptibility. Participants rated an attitude toward hypnosis questionnaire and a hypnotic stateexpectancy questionnaire. Then, they completed the Harvard Group Scale of Hypnotic Susceptibility, FormA. Factor analysis of the hypnotic state expectancy questionnaire yielded two factors: expectancy for lossof control and released potentiality. The result of two-way analysis of variance showed a significant interaction.Low expectancy for loss of control participants demonstrated increased hypnotic susceptibility fromlow to high level of attitude toward hypnosis. This finding suggest the importance to investigate effects ofexpectancy and attitude in terms of interactive these variables.
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