![]() ![]() This study demonstrates that the MMPI-2 is capable of differentiating intentional exaggeration from the effects on symptom report of chronic pain, genuine psychological disturbance, and concurrent stress associated with pursuing a claim in a medico-legal context. For all variables except Scale L, more extreme scores were associated with higher specificity. Hypochondriasis and Hysteria were also effective. The MMPI-2 validity scales differentiated malingerers from nonmalingerers with a high degree of accuracy. The sample consisted of patients without financial incentive (n = 23), nonmalingering patients with financial incentive (n = 34), patients definitively determined to be malingering based on published criteria ( n = 32), and college students asked to simulate pain-related disability (n = 26). They called these scales the Cannot Say scale, the L scale, the F. That is, MMPI2 profiles that contain elevations on scales L or K that either invalidate or notably suppress. The purpose of this study was to determine the accuracy of Minnesota Multiphasic Personality Inventory 2nd edition (MMPI-2 Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989) validity indicators in the detection of malingering in clinical patients with chronic pain using a hybrid clinical-known groups/simulator design. In addition to these 10 clinical scales, the authors constructed four validity scales. Despite empirical findings that identify patterns of elevations on the MMPI2 validity scales with parents involved in child custody disputes, these patterns have been demonstrated to reach statistical but not clinical significance. ![]()
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