On parsimony in personality disorder classification: Rejoinder to Sleep et al. (2019).
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Sleep, Lynam, Widiger, Crowe, and Miller (2019) discuss a number of concerns previously raised with respect to the distinction between impairment and trait in the Alternative Model of Personality Disorders (AMPD). In particular, they cite issues of overlap between the 2 as raising concerns about parsimony of representation. In this response, I briefly address both the importance of parsimony and its limitations as a consideration in the classification of personality disorders. (PsycINFO Database Record (c) 2019 APA, all rights reserved).
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