Putatively Psychosis-Prone Subjects 10 Years Later

Loren J. Chapman, Jean P. Chapman, Thomas R. Kwapil, Mark Eckblad, Michael C. Zinser

Research output: Contribution to journalArticlepeer-review

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.

Original languageEnglish (US)
Pages (from-to)171-183
Number of pages13
JournalJournal of abnormal psychology
Volume103
Issue number2
DOIs
StatePublished - May 1994
Externally publishedYes

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Biological Psychiatry

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