Detection of Feigned Mental Disorders
- 1 June 2003
- journal article
- research article
- Published by SAGE Publications in Assessment
- Vol. 10 (2), 160-177
- https://doi.org/10.1177/1073191103010002007
Abstract
The validity of test data from multiscale inventories is dependent on self-reports that may be easily distorted by malingering. In examining the Minnesota Multiphasic Personality Inventory-2's (MMPI-2) role in the assessment of feigning, this review provides a conceptual analysis of the detection strategies underlying the MMPI-2 validity scales. The conceptual analysis is augmented by comprehensive meta-analysis of 65 MMPI-2 feigning studies plus 11 MMPI-2 diagnostic studies. For the rare-symptoms strategy, Fp (Cohen's d = 2.02) appears especially effective across diagnostic groups; its cut scores evidence greater consistency than most validity indicators. The data supported the F as an effective scale but questioned the routine use of Fb. Among the specialized scales, Ds appeared especially useful because of its sophisticated strategy, consistent cut score, and minimal false-positives. General guidelines are offered for specific MMPI-2 validity scales in the assessment of malingering with specific diagnoses.Keywords
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