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Psychol Assess. 2009 Mar;21(1):112-24. doi: 10.1037/a0015036.

Detection of overreporting of psychopathology on the Personality Assessment Inventory: a meta-analytic review.

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Department of Psychology, Sam Houston State University, USA.


The Personality Assessment Inventory (L. C. Morey, 1991) includes 3 measures for identifying overreporting of psychopathology: the Negative Impression scale (NIM), Malingering Index (MAL), and Rogers Discriminant Function (RDF). Meta-analysis revealed that each measure was a strong predictor of uncoached (NIM, d = 1.48, k = 23; MAL, d = 1.15, k = 19; RDF, d = 1.13, k = 15) and coached malingering (NIM, d = 1.59, k = 8; MAL, d = 1.00, k = 6; RDF, d = 1.65, k = 3). For uncoached malingering, effects were larger in simulation than criterion groups studies, for identifying feigning of severe mental disorders than mood/anxiety disorders, and when feigners were compared to unimpaired honest respondents as opposed to patients. Cut scores of NIM > or = 81 and MAL > or = 3 resulted in the highest overall classification rates for identifying feigning. (PsycINFO Database Record (c) 2009 APA, all rights reserved).

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