Diagnoses, Dimensions, and DSM-5

Thomas A. Widiger, Maryanne Edmundson

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


The Diagnostic and Statistical Manual of Mental Disorders, Third Edition (DSM-III) is often said to have provided a significant paradigm shift in how psychopathology is diagnosed. The authors of DSM-5 have the empirical support and the opportunity to lead the field of psychiatry to a comparably bold new future in diagnosis and classification. The purpose of this chapter is to address the validity of the categorical and dimensional models for the classification and diagnosis of psychopathology. Considered in particular will be research concerning substance use disorders, mood disorders, and personality disorders. Limitations and concerns with respect to a dimensional classification of psychopathology are also considered. The chapter concludes with a recommendation for a conversion to a more quantitative, dimensional classification of psychopathology.

Original languageEnglish
Title of host publicationThe Oxford Handbook of Clinical Psychology
ISBN (Electronic)9780199940202
StatePublished - Sep 18 2012


  • Categorical
  • Classification
  • Diagnosis
  • Dimensional
  • DSM-5
  • Validity

ASJC Scopus subject areas

  • Psychology (all)


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