DSM IV, DSM-5, and the Five-Factor Model: The Diagnosis of Personality Disorder With Intellectual and Developmental Disabilities

作者:Lindsay, William R; Steptoe, Lesley; McVicker, Ronnie; Haut, Fabian*; Robertson, Colette
来源:Journal of Mental Health Research in Intellectual Disabilities, 2018, 11(1): 1-15.
DOI:10.1080/19315864.2017.1350226

摘要

In DSM-5 there has been a move to dimensional personality disorder (PD) diagnosis, incorporating personality theory in the form of the five-factor model (FFM). It proposes an alternative assessment system based on diagnostic indicators and the FFM, while retaining DSM-IV categorical criteria. Four individuals with intellectual disability are assessed for PD utilizing the Assessment of Global Personality Functioning Index (AGPF), the International Personality Disorder Examination (IPDE), and, in terms of the FFM, through an adapted version of the NEO-PI short form. PD ratings (self, staff, and observer) tended to converge for borderline, antisocial, and narcissistic PDs. NEO-PI ratings converged on Neuroticism, Extraversion, and Openness, with discrepancies on Agreeableness and Conscientiousness (staff rating lower). A structured DSM-5 system is easily usable but takes more time than a diagnostic interview.

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