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The European Journal of Psychology Applied to Legal Context

versão On-line ISSN 1989-4007versão impressa ISSN 1889-1861


SANCHEZ, Guadalupe; AMPUDIA, Amada; JIMENEZ, Fernando  e  AMADO, Bárbara G.. Contrasting the efficacy of the MMPI-2-RF overreporting scales in the detection of malingering. The European Journal of Psychology Applied to Legal Context [online]. 2017, vol.9, n.2, pp.51-56. ISSN 1989-4007.

Though it has been the most extensively used instrument for forensic evaluation, the MMPI-2 is being gradually replaced by the MMPI-2-RF version, requiring evidence research to support it. A malingering design was implemented to assess the efficacy of the overreporting validity scales in discriminating between a group of malingerers and the general and clinical populations in a forensic context. Of a total of 878 subjects, 309 were from the general population, 308 from the clinical population, and 261 were instructed to malinger a psychological injury. The results showed that malingerers scored significantly higher than the clinical and general population on the F-r, Fp-r, FBS-r, Fs and RBS scales. As for the classification of cases, the F-r, Fp-r, FBS-r, Fs, and RBS scales classified correctly and significantly between malingerers and honest respondents from the general population, and the F-r and Fp-r scales between malingerers and clinical population. Additionally, the results showed F-r incremental validity over Fp-r, and vice versa. Thus, F-r and Fp-r scales are independent and may be accumulated to detect malingering. Forensic practical implications from the results were derived and discussed.

Palavras-chave : MMPI-2-RF; Overreporting; Malingering; Validity scales; Forensic assessment.

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