A clearer window on the structure and meaning of absorption, The

modified Tellegen absorption scale: A clearer window on the structure and meaning of absorption, The

Wickramasekera, Ian II

Jamieson, GL (2006). The modified Tellegen absorption scale: A clearer window on the structure and meaning of absorption. Australian Journal of Clinical and Experimental Hypnosis, 33(2), 119-139. In this article the author reports a study of the factor structure of a modified version of the Tellegen absorption scale (TAS) which has consistently demonstrated a modest correlation with hypnotic ability in many studies. Some controversy still exists as to how much the correlations observed in these studies are inflated by the act of measuring absorption and hypnotic ability in the same research setting which may enhance expectancy effects. The author refers to the modified absorption inventory as the MODTAS and discusses that response expectancy theory of hypnosis would predict that a “coherent single latent trait” would not be part of the factor solution of absorption. However, the author discovered that a single higher order factor emerged in the factor structure in a study of 352 participants’ responses to the MODTAS. Along with this single higher order factor the author reports that five intercorrelated primary factors (synaesthesia, altered states of consciousness, aesthetic involvement, imaginative involvement, and ESP) were present The author also reports that in an independent sample (N = 110), all MODTAS subscales significantly predicted high versus low hypnotic ability. The author discusses his findings as being contrary to the response expectancy theory of hypnosis and absorption. The author suggests that the MODTAS should be followed up on in future absorption related research and provides a copy of it in the appendices along with the normative item response data for the instrument. Address for reprints: Dr. Graham A. Jamieson, School of Psychology, University of New England, Armidale, NSW, Australia, 2351, Email Address: graham_jamieson@hotmail.com.

Copyright American Society of Clinical Hypnosis Apr 2006

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