Reliability and validity of three screening measures of borderline personality disorder in a nonclinical population |
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| Authors: | Kathryn Gardner Pamela Qualter |
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| Affiliation: | 1. Department of Psychology, Humboldt-University, Unter den Linden 6, 10999 Berlin, Germany;2. Arbeitsgemeinschaft für Wissenschaftliche Psychotherapie, Witzlebenstraße 30a, 14057 Berlin, Germany;3. Institute of Health Care Management, University of Greifswald, Friedrich-Loeffler-Straße 70, 17489 Greifswald, Germany;4. Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, D6, 68159 Mannheim, Germany;5. Department of Clinical Psychology and Psychotherapy, Freie Universität Berlin, Habelschwerdter Allee 45, 14195 Berlin, Germany;6. Department of Psychiatry, Charité-Universitätsmedizin Berlin, Campus Benjamin Franklin, Eschenallee 3, 14050 Berlin, Germany;1. Ryerson University, Department of Psychology, Toronto, Ontario, Canada;2. Borderline Personality Disorder Clinic, Centre for Addiction and Mental Health (CAMH) and the Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada;1. Department of Psychiatry, University of California, San Francisco, CA, USA;2. Department of Psychology, University of British Columbia, Vancouver, BC, Canada;3. Division of Adolescent and Young Adult Medicine, Department of Pediatrics, University of California, San Francisco, CA, USA;4. Office of Diversity and Outreach, University of California, San Francisco, CA, USA |
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| Abstract: | This study explored reliability and validity of three self-report screening measures of borderline personality disorder (BPD): the Personality Assessment Inventory-Borderline Features Scale (PAI-BOR; Morey, 1991), Personality Diagnostic Questionnaire-4-BPD scale (PDQ4-BPD; Hyler, 1994) and Mclean Screening Instrument for BPD (MSI-BPD; Zanarini et al., 2003). Participants (N = 523) were drawn predominantly from community and student populations. All three measures were internally consistent. Confirmatory Factor Analysis of the PAI-BOR did not support Jackson and Trull’s (2001) six-factor structure or Morey’s (1991) four-factor structure. The three measures converged highly, despite the broader theoretical basis of the PAI-BOR. Expected demographic differences on the measures supported construct validity, and concurrent validity in relation to theoretical-related criteria was also supported. Only the PAI-BOR and PDQ4-BPD showed incremental validity in predicting specific criteria, although, the amount of unique variance predicted was small. |
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