An empirically derived taxonomy for personality diagnosis: bridging science and practice in conceptualizing personality

Author/s Drew Westen, Jonathan Shedler, Bekh Bradley, Jared A. DeFife
Publishing Year 2012 Issue 2012/3
Language Italian Pages 32 P. 327-358 File size 460 KB
DOI 10.3280/PU2012-003001
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A system for diagnosing personality pathology that is empirically derived, clinically relevant, and practical for day-to-day use is described. A random US sample of psychiatrists and clinical psychologists (N=1,201) described a randomly selected patient with any degree of personality dysfunction using the Shedler-Westen Assessment Procedure-II (SWAP-II). Factor analysis to identify naturally occurring diagnostic groupings yielded 10 clinically coherent personality diagnoses organized into three higher-order clusters: internalizing, externalizing, and borderline- dysregulated. The most highly rated descriptors to construct a diagnostic prototype for each personality syndrome were selected. In a second, independent sample, researchers and clinicians were able to diagnose the personality syndromes with high agreement and minimal comorbidity. These 10 prototypes provide a framework for personality diagnosis that is both empirically based and clinically relevant.

Keywords: Personality disorders, diagnosis and classification, SWAP-II, prototype diagnosis, personality styles and health

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Drew Westen, Jonathan Shedler, Bekh Bradley, Jared A. DeFife, Una tassonomia delle diagnosi di personalità derivata empiricamente: colmare il divario tra scienza e clinica nella concettualizzazione della personalità. Nota introduttiva di Vittorio Lingiardi e Francesco Gazzillo in "PSICOTERAPIA E SCIENZE UMANE" 3/2012, pp 327-358, DOI: 10.3280/PU2012-003001