Two-year stability of psychosis proneness scales and their relations to personality disorder traits

Author(s): Hautzinger, M.

Journal/Book: J Personal Assess. 1999; 73: 10 Industrial Ave, Mahwah, NJ 07430-2262, USA. Lawrence Erlbaum Assoc Inc. 472-488.

Abstract: Two-year stability of Physical Anhedonia (PhA), Perceptual Aberration (PER), and Magical Ideation (MI) scale scores and their relation to personality disorder traits were examined. Additionally, the effects of a time-lagged (perspective) versus concurrent measurement of psychosis proneness and personality disorder traits were studied to examine the specificity of MI. PER, and PhA. With a non-college-student sample (n = 404), stability for PhA was sufficiently high, but for PER and MI, stability was moderate to low. The correlations between personality disorder traits and psychosis proneness scales demonstrate that simultaneous assessment leads to a more nonspecific pattern of associations for MI and PER, although the correlation to schizotypal personality disorder traits were the highest. However, prospectively only MI, but neither PER nor PhA, emerged as a significant predictor for schizotypal and paranoid personality disorder traits in multiple-regression analysis. This suggests that MI may allow for a more specific assessment of psychosis proneness than PER.

Note: Article Meyer TD, Univ Tubingen, Inst Psychol, Abt Klin & Physiol Psychol, D-72074 Tubingen, GERMANY

Keyword(s): DSM-III-R; HIGH-RISK; PERCEPTUAL ABERRATIONS; SCHIZOPHRENIA SPECTRUM; THOUGHT-DISORDER; SOCIAL ANHEDONIA; MAGICAL IDEATION; SCHIZOTYPY; COLLEGE; SYMPTOMS

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