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Related Experiment Videos

Modeling and measuring the personality disorders.

G Parker1, D Hadzi-Pavloic, K Wilhelm

  • 1School of Psychiatry and Mood Disorders Unit, University of New South Wales, Sydney, Australia.

Journal of Personality Disorders
|October 6, 2000
PubMed
Summary
This summary is machine-generated.

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Personality disorders (PDs) are extreme versions of normal personality traits. This study replicated findings using self-reports and observer reports, confirming PD traits resemble normal personality dimensions.

Area of Science:

  • Psychiatry
  • Psychology

Background:

  • Previous research suggests personality disorders (PDs) represent extreme variations of normal personality functioning.
  • This study aimed to replicate and extend these findings using both self- and observer-rated data.

Purpose of the Study:

  • To validate the quantitative relationship between personality disorders and normal personality functioning.
  • To assess the consistency of findings across self-reports and observer reports.

Main Methods:

  • Analysis of 758 self-reports (SRs) and 515 corroborative witness (CW) reports from patients diagnosed with PDs.
  • Refinement of 266 descriptors to 142 items assessing 30 constructs.
  • Principal components analyses to identify underlying factors.

Main Results:

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  • Identified 142 items assessing 30 constructs, showing considerable interdependence.
  • Principal components analysis revealed four consistent factors across SR and CW data: Emotional Dysregulation, Dissocial, Inhibition, and Compulsivity.
  • Findings were consistent with previous research by Livesley et al. (1998).

Conclusions:

  • Replication and extension of findings to observer-rated data support the argument that higher-order PD traits closely resemble normal personality dimensions.
  • The study reinforces the dimensional view of personality pathology.