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Putatively Psychosis-Prone Subjects 10 Years Later

Putatively Psychosis-Prone Subjects 10 Years Later The predictive validities of several indicators of psychosis proneness were evaluated in a 10-year longitudinal study (N = 508). As hypothesized, high scores on the Perceptual Aberration Scale, Magical Ideation Scale, or both (n = 182), especially those who initially reported psychoticlike experiences of at least moderate deviance, exceeded control subjects (n = 153) on psychoses (revised 3rd edition of the Diagnostic and Statistical Manual of Mental Disorders), psychotic relatives, schizotypal symptoms, and psychoticlike experiences at follow up. Ss who initially scored high on the Magical Ideation Scale and above the mean on the Social Anhedonia Scale were especially deviant. The Physical Anhedonia Scale and the Impulsive Nonconformity Scale were not effective predictors of psychosis proneness. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Abnormal Psychology American Psychological Association

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References (68)

Publisher
American Psychological Association
Copyright
Copyright © 1994 American Psychological Association
ISSN
0021-843X
eISSN
1939-1846
DOI
10.1037/0021-843X.103.2.171
Publisher site
See Article on Publisher Site

Abstract

The predictive validities of several indicators of psychosis proneness were evaluated in a 10-year longitudinal study (N = 508). As hypothesized, high scores on the Perceptual Aberration Scale, Magical Ideation Scale, or both (n = 182), especially those who initially reported psychoticlike experiences of at least moderate deviance, exceeded control subjects (n = 153) on psychoses (revised 3rd edition of the Diagnostic and Statistical Manual of Mental Disorders), psychotic relatives, schizotypal symptoms, and psychoticlike experiences at follow up. Ss who initially scored high on the Magical Ideation Scale and above the mean on the Social Anhedonia Scale were especially deviant. The Physical Anhedonia Scale and the Impulsive Nonconformity Scale were not effective predictors of psychosis proneness.

Journal

Journal of Abnormal PsychologyAmerican Psychological Association

Published: May 1, 1994

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