We complement the review of existing research with some new findings that provide further empirical support and clarification of current interpretive recommendations for proper use of the FBS in evaluations of personal injury litigants and claimants. (Psychological Injury and the Law 1:191–209, 2008) in their critique of the Minnesota Multiphasic Personality Inventory-2 Symptom Validity Scale (FBS) and show that their analyses and conclusions are based on faulty premises, a misunderstanding of basic concepts in the assessment of overreporting, a selective review of the literature and mischaracterization of the findings they do cite, problematic analyses of a dataset that had already been similarly analyzed, and a flawed analysis of a legal case they discuss. , in the case of published studies that do not report T-FBS scores but do report scale T-scores when original True. He suggests that this formula may be employed when clinicians have access to MMPI-2 validity and clinical scale T-scores, but do not have access to computed T-FBS scores (e.g. In addition, Larrabee (2008) found that, aside from RBS, FBS, and FBS-r (30-item form of the FBS to appear on the MMPI-2 Restructured Form Ben-Porath & Tellegen, 2008), none of the other MMPI-2 validity scales examined added meaningfully to prediction of group membership in a sample of 54 non-malingering clinical patients and 41 malingering. We address issues raised by Butcher et al. from MMPI-2 validity and clinical scale T-scores. (2008) The MMPI-2 Symptom Validity Scale (FBS) Is an Empirically Validated Measure of Overreporting in.īen-Porath, Yossef Greve, Kevin Bianchini, Kevin Kaufmann, Paul Medical impairment does not appear to be a major influence on deviant MMPI-2-FBS scores.The MMPI-2 Symptom Validity Scale (FBS) Is an Empirically Validated Measure of Overreporting in Personal Injury Litigants and Claimants: Reply to Butcher et al.
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The MMPI-2-FBS appears to have acceptable specificity, because it did not misclassify as biased responders those medical patients with sleep problems, male or female, with primary gain only (reducing sickness). The results showed the FBS had no substantial or unique association with medical/sleep variables, produced false positive rates <20% (median = 9, range = 4-11), and male inpatients showed marginally higher failure rates than females. validity scales of the MMPI-2 (VRIN-r, TRIN-r, F-r, Fp-r, FBS-r, L-r, and K-r). The FBS has an unacceptably high rate of false positives especially among woman. FBS scores correlated significantly with F (r. All of the MMPI-2-RFs scales demonstrate either increased or equivalent. The MMPI-2 validity scales allow for a probabilistic assessment of the. Results: Malingerers averaged significantly higher FBS raw scores (25.3, s 6.7) than patients (15.8, s 4.7), and higher F (77.6 vs. The variables included standard MMPI-2 validity scales (Lie Scale, Infrequency Scale, K-Correction FBS), objective medical data (e.g., body mass index, pulse oximetry), and polysomnographic scores (e.g., apnea/hypopnea index). Groups were compared on the FBS and standard MMPI-2 validity scales.
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This study tests the assertion of malingering misclassification with a large sample of 345 medical inpatients undergoing sleep studies that standardly included MMPI-2 testing. Some critics assert the MMPI-2-FBS misclassifies too many medically impaired persons as malingering symptoms. The Symptom Validity Scale (Minnesota Multiphasic Personality Inventory-2-FBS ) is a standard MMPI-2 validity scale measuring overstatement of somatic distress and subjective disability. The MMPI-2 Symptom Validity Scale (FBS) Is an Empirically Validated Measure of Overreporting in Personal Injury Litigants and Claimants: Reply to Butcher et a.