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Dimensional and categorical models for personality pathology assessment show both strengths and limitations. Future research should compare these approaches to understand their construct validity and clinical utility.

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Area of Science:

  • Psychology
  • Psychopathology
  • Personality Disorders

Background:

  • Drs. Lilienfeld and Widiger advocate for dimensional models over categorical frameworks for personality pathology.
  • This response addresses points of agreement and disagreement with their commentaries.

Purpose of the Study:

  • To discuss the ongoing debate between dimensional and categorical approaches to personality pathology.
  • To propose future research directions for comparing these perspectives.

Main Methods:

  • Conceptual analysis of existing arguments.
  • Proposal for empirical studies comparing construct validity and clinical utility.

Main Results:

  • Areas of convergence and divergence between the author's perspective and colleagues' views are identified.
  • The trait-type dialectic in personality pathology is expected to persist.

Conclusions:

  • Both dimensional and categorical models offer unique insights into personality pathology.
  • Further research is needed to rigorously compare the strengths and limitations of each approach in laboratory and clinical settings.