Abstract:
BACKGROUND:The categorical classification system for personality disorder (PD) has been frequently criticized and several alternative dimensional models have been proposed. METHOD:Antecedent, concurrent and predictive markers of construct validity were examined for three models of PDs: the Five-Factor Model (FFM), the Schedule for Nonadaptive and Adaptive Personality (SNAP) model and the DSM-IV in the Collaborative Study of Personality Disorders (CLPS) sample. RESULTS:All models showed substantial validity across a variety of marker variables over time. Dimensional models (including dimensionalized DSM-IV) consistently outperformed the conventional categorical diagnosis in predicting external variables, such as subsequent suicidal gestures and hospitalizations. FFM facets failed to improve upon the validity of higher-order factors upon cross-validation. Data demonstrated the importance of both stable trait and dynamic psychopathological influences in predicting external criteria over time. CONCLUSIONS:The results support a dimensional representation of PDs that assesses both stable traits and dynamic processes.
journal_name
Psychol Medjournal_title
Psychological medicineauthors
Morey LC,Hopwood CJ,Gunderson JG,Skodol AE,Shea MT,Yen S,Stout RL,Zanarini MC,Grilo CM,Sanislow CA,McGlashan THdoi
10.1017/S0033291706009482subject
Has Abstractpub_date
2007-07-01 00:00:00pages
983-94issue
7eissn
0033-2917issn
1469-8978pii
S0033291706009482journal_volume
37pub_type
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