Does the Eysenck psychoticism scale predict psychosis? A ten year longitudinal study

Jean P. Chapman, Loren J. Chapman, Thomas R. Kwapil

Research output: Contribution to journalArticle

Abstract

534 college students were selected by their scores on several scales of psychosis proneness, were interviewed, and were given the Eysenck and Eysenck (1975) Psychoticism Scale (P-Scale). After 10 yr, 508 subjects were reinterviewed. Subjects identified by initial deviantly high scores on the P-Scale (N = 26) did not differ from control subjects (N = 310) on the rate of subjects who developed psychotic disorders or in reports of psychotic relatives. However, High P subjects exceeded controls on ratings of psychoticlike experiences and on symptoms of schizotypal and paranoid personality disorder. The findings indicate that high scorers on the P-Scale are psychoticlike but are not at heightened risk for psychosis.

Original languageEnglish (US)
Pages (from-to)369-375
Number of pages7
JournalPersonality and Individual Differences
Volume17
Issue number3
DOIs
StatePublished - Sep 1994
Externally publishedYes

ASJC Scopus subject areas

  • Psychology(all)

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