Comparing the Dependability and Associations with Functioning of the DSM-5 Section III Trait Model of Personality Pathology and the DSM-5 Section II Personality Disorder Model

Michael Chmielewski, Camilo J. Ruggero, Roman Kotov, Keke Liu, Robert F. Krueger

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Two competing models of personality psychopathology are included in the fifth edition of the Diagnostic Statistical Manual of Mental Disorders (DSM-5; American Psychiatric Association, 2013); the traditional personality disorder (PD) model included in Section II and an alternative trait-based model included in Section III. Numerous studies have examined the validity of the alternative trait model and its official assessment instrument, the Personality Inventory for DSM-5 (PID-5; Krueger, Derringer, Markon, Watson, & Skodol, 2012). However, few studies have directly compared the trait-based model to the traditional PD model empirically in the same dataset. Moreover, to our knowledge, only a single study (Suzuki, Griffin, & Samuel, 2015) has examined the dependability of the PID-5, which is an essential component of construct validity for traits (Chmielewski & Watson, 2009; McCrae, Kurtz, Yamagata, & Terracciano, 2011). The current study directly compared the dependability of the DSM-5 traits, as assessed by the PID-5, and the traditional PD model, as assessed by the Personality Diagnostic Questionnaire-4 (PDQ-4+), in a large undergraduate sample. In addition, it evaluated and compared their associations with functioning, another essential component of personality pathology. In general, our findings indicate that most DSM-5 traits demonstrate high levels of dependability that are superior to the traditional PD model; however, some of the constructs assessed by the PID-5 may be more state like. The models were roughly equivalent in terms of their associations with functioning. The current results provide additional support for the validity of PID-5 and the DSM-5 Section III personality pathology model.

Original languageEnglish (US)
Pages (from-to)228-236
Number of pages9
JournalPersonality Disorders: Theory, Research, and Treatment
Volume8
Issue number3
DOIs
StatePublished - Jul 2017

Keywords

  • DSM-5 Section III
  • PID-5
  • dependability
  • functioning
  • personality disorders

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