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Dimensions of personality pathology.

W J Livesley1, D N Jackson, M L Schroeder

  • 1Department of Psychiatry, University of British Columbia, Vancouver.

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
|October 1, 1991
PubMed
Summary

The Diagnostic and Statistical Manual of Mental Disorders, 3rd edition-revised (DSM-III-R) personality disorder diagnoses lack reliability and validity. This study explored alternative personality dimensions, identifying sixteen interpretable components.

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Area of Science:

  • Psychiatry
  • Psychology
  • Personality Disorders

Background:

  • The reliability of DSM-III-R personality disorder diagnoses is poor.
  • The validity of DSM-III-R personality disorder diagnoses is not established.
  • Evidence for the clustering of personality pathology into DSM-III-R diagnostic entities is limited.

Purpose of the Study:

  • To explore alternative methods for classifying personality disorders.
  • To develop reliable scales for assessing personality dimensions.
  • To evaluate the factorial structure of these dimensions.

Main Methods:

  • Developed reliable scales for 100 personality dimensions.
  • Evaluated the factorial structure in a general population sample (n=110).
  • Used oblique rotation for factor analysis, retaining 16 components.

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Main Results:

  • Sixteen interpretable components accounted for 81.4% of the variance.
  • Identified components include social avoidance, narcissism, insecure attachment, compulsive behaviors, and others.
  • Two components were uninterpretable due to few salient loadings.

Conclusions:

  • The DSM-III-R classification of personality disorders requires re-evaluation.
  • A dimensional approach to personality pathology may offer a more reliable and valid classification system.
  • Further research is needed to validate these identified personality components.