Tim Brunson DCH

Welcome to The International Hypnosis Research Institute Web site. Our intention is to support and promote the further worldwide integration of comprehensive evidence-based research and clinical hypnotherapy with mainstream mental health, medicine, and coaching. We do so by disseminating, supporting, and conducting research, providing professional level education, advocating increased level of practitioner competency, and supporting the viability and success of clinical practitioners. Although currently over 80% of our membership is comprised of mental health practitioners, we fully recognize the role, support, involvement, and needs of those in the medical and coaching fields. This site is not intended as a source of medical or psychological advice. Tim Brunson, PhD

Hypnotic susceptibility as a predictor of participation in student activities

In this study, Harvard Group Scale of Hypnotic Susceptibility: Form A scores for 458 college students were compared with college yearbook records of their participation in student activities. Students who scored low in susceptibility showed significantly less participation in activities than others who were either moderate or high in susceptibility. Overall, females showed higher levels of participation than males, but there was no significant interaction between gender and hypnotic susceptibility. Spectral analysis showed participation scores to be somewhat more strongly related to easier HGSHS:A items than to more difficult items in the manner predicted by two-factor theory. Closer examination of the results revealed that this effect was primarily due to the fact that low susceptible subjects participated significantly less in student activities than subjects who were either moderate or high in hypnotic susceptibility. The results suggest that future research should further examine the unique contribution of low susceptibility subjects to hypnosis theory and research.

Am J Clin Hypn. 2003 Oct;46(2):139-45. Graham KR, Marra LC, Rudski JM. Muhlenberg College, Allentown, Pennsylvania, USA. krg6543@aol.com

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