The MMPI-2 symptom validity scale (FBS) not influenced by medical impairment: A large sleep center investigation

  • Greiffenstein M
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Abstract

The Symptom Validity Scale (Minnesota Multiphasic Personality Inventory-2-FBS [MMPI-2-FBS]) is a standard MMPI-2 validity scale measuring overstatement of somatic distress and subjective disability. Some critics assert the MMPI-2-FBS misclassifies too many medically impaired persons as malingering symptoms. 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. The variables included standard MMPI-2 validity scales (Lie Scale [L], Infrequency Scale [F], K-Correction [K]; FBS), objective medical data (e.g., body mass index, pulse oximetry), and polysomnographic scores (e.g., apnea/hypopnea index). The results showed the FBS had no substantial or unique association with medical/sleep variables, produced false positive rates

Author-supplied keywords

  • Fake Bad Scale
  • MMPI-2
  • Medical impairment
  • Sleep disorders
  • Specificity
  • Symptom Validity Scale

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Authors

  • Manfred F. Greiffenstein

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