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  • Title: The detection of malingering in criminal forensic groups: MMPI validity scales.
    Author: Wasyliw OE, Grossman LS, Haywood TW, Cavanaugh JL.
    Journal: J Pers Assess; 1988; 52(2):321-33. PubMed ID: 3404393.
    Abstract:
    Despite the value of the MMPI to the forensic assessment of malingering (exaggeration) of psychopathology, few studies have assessed the accuracy of the MMPI validity scales in criminal forensic populations. We administered the MMPI to 35 insanity defendants undergoing evaluation for fitness to stand trial and/or sanity at the time of the crime, who stood to benefit from being assessed as psychologically disturbed, and 39 subjects previously found not guilty by reason of insanity (NGRI), who did not stand to gain from such an assessment, Insanity defendants showed significantly more malingering than NGRI subjects, p less than .05. Racial differences did not affect the data. These findings support the efficacy of MMPI validity scales in assessing malingering within criminal forensic groups, and support the generalizability of the scales across race.
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