Age-Neutrality of a Brief Assessment of the Section III Alternative Model for Personality Disorders in Older Adults

The alternative model for personality disorders in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) is considered an important step toward a possibly better conceptualization of personality pathology in older adulthood, by the introduction of levels of personali...

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Veröffentlicht in:Assessment (Odessa, Fla.) Fla.), 2018-04, Vol.25 (3), p.310-323
Hauptverfasser: Debast, Inge, Rossi, Gina, van Alphen, S. P. J.
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Sprache:eng
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Zusammenfassung:The alternative model for personality disorders in the fifth edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) is considered an important step toward a possibly better conceptualization of personality pathology in older adulthood, by the introduction of levels of personality functioning (Criterion A) and trait dimensions (Criterion B). Our main aim was to examine age-neutrality of the Short Form of the Severity Indices of Personality Problems (SIPP-SF; Criterion A) and Personality Inventory for DSM-5–Brief Form (PID-5-BF; Criterion B). Differential item functioning (DIF) analyses and more specifically the impact on scale level through differential test functioning (DTF) analyses made clear that the SIPP-SF was more age-neutral (6% DIF, only one of four domains showed DTF) than the PID-5-BF (25% DIF, all four tested domains had DTF) in a community sample of older and younger adults. Age differences in convergent validity also point in the direction of differences in underlying constructs. Concurrent and criterion validity in geriatric psychiatry inpatients suggest that both the SIPP-SF scales measuring levels of personality functioning (especially self-functioning) and the PID-5-BF might be useful screening measures in older adults despite age-neutrality not being confirmed.
ISSN:1073-1911
1552-3489
DOI:10.1177/1073191118754706