Effects of "deepening" techniques on hypnotic depth and responding.
The present study attempted to assess the effectiveness of commonly used deepening techniques and of surreptitiously provided stimulation on hypnotizability scores, in-hypnosis depth reports, retrospective realness ratings, and the Field Inventory of Hypnotic Depth (Field, 1965). High, medium, and low hypnotizables were assigned in equal numbers to 1 of 3 groups, each containing 54 Ss. Controls were compared to Ss receiving 2 deepening techniques or 2 suggestions for positive and negative hallucinations that were surreptitiously enhanced. Of the 4 dependent measures employed, the only significant difference between groups related to a change in depth reports for the manipulation items themselves, leading to the conclusion that the effect of the techniques was at best minimal and transient. Some methodological and conceptual issues are also discussed.
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Department of Psychology, Ohio State University, Lima 45804.
Handley
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D000328:Adult; D001364:Awareness; D005260:Female; D006801:Humans; D006990:Hypnosis / Q000379:methods*; D008297:Male; D011936:Reality Testing; D013404:Suggestion