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Millon's dimensional model of personality disorders: a comparative study.

Stephanie N Mullins-Sweatt¹, Thomas A Widiger

¹Department of Psychology, University of Kentucky, Lexington, 40506-0044, USA. snmull2@uky.edu

Journal of Personality Disorders

|March 22, 2007

Summary

The Millon model of personality disorders received weak empirical support when compared to the five-factor model in predicting personality disorder symptoms. Further research is needed to validate personality functioning theories.

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Area of Science:

Psychology
Clinical Psychology
Personality Psychology

Background:

The Millon model proposes six core personality dimensions underlying personality disorders.
Despite its citation, empirical validation of Millon's model is limited.
The five-factor model is a prominent alternative framework for personality structure.

Purpose of the Study:

To empirically compare the validity of Millon's model versus the five-factor model.
To assess how each model relates to personality disorder symptomatology.
To provide empirical evidence for personality disorder research.

Main Methods:

Participants completed assessments for general personality functioning based on both Millon's and the five-factor models.
Personality disorder symptomatology was measured using a standardized assessment.
Statistical analyses were conducted to compare the models' predictive validity.

Main Results:

The study found only weak empirical support for Millon's theoretical model.
The five-factor model demonstrated a comparatively stronger relationship with personality disorder symptomatology.
Direct comparison revealed limitations in Millon's model's explanatory power.

Conclusions:

Millon's model requires further empirical investigation and refinement.
The five-factor model appears more robust in explaining personality disorder symptoms in this study.
Future research should explore alternative theoretical frameworks and refine existing ones.