Screening for personality disorders: A new questionnaire and its validation using latent class analysisPsychological Test and Assessment Modeling
PublisherPabst Science Publishers
AbstractWe evaluated a new screening instrument for personality disorders. The Personality Disorder Screening (PDS) is a self-administered screening questionnaire that includes 12 items from the Personality Self Portrait (Oldham & Morris, 1990). Sampling and methods: The data of n = 966 participants recruited from the non-clinical population and from different clinical settings were analyzed using latent class analysis. Results: A 4-class model fitted the data best. It confirmed a classification model for personality disorders proposed by Gunderson (1984) and showed high reliability and validity. One class corresponded to “healthy” individuals (40.6 %), and one class to individuals with personality disorders (17.2 %). Two additional classes represented individuals with specific personality styles. Evidence for convergent validity was found in terms of strong associations of the classification with the Structured Clinical Interview (SCID-II) for diagnosing personality disorders. The latent classes also showed theoretically expected associations with membership in different subsamples. Conclusions: The PDS shows promise as a new instrument for identifying different classes of personality disorder severity already at the screening stage of the diagnostic process.
Citation InformationChristian Geiser, Julia Lange, Karl Heinz Wiedl and Henning Schöttke. "Screening for personality disorders: A new questionnaire and its validation using latent class analysis" Psychological Test and Assessment Modeling Vol. 54 Iss. 4 (2012) p. 323 - 342
Available at: http://works.bepress.com/christian-geiser/45/