Validity of the Miller Forensic Assessment of Symptoms Test in Psychiatric Inpatients

This study investigated the validity of the Miller Forensic Assessment of Symptoms Test (M-FAST), a brief measure of malingering, in an inpatient psychiatric sample of 70. Among those patients who also completed the Personality Assessment Inventory (N = 44), Total M-FAST score was related in the exp...

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Bibliographic Details
Published in:Psychological reports 2005-06, Vol.96 (3), p.771-774
Main Authors: Veazey, Connie H., Wagner, Alisha L., Hays, J. Ray, Miller, Holly A.
Format: Article
Language:English
Subjects:
Adult
Diagnostic and Statistical Manual of Mental Disorders
Female
Forensic Psychiatry - methods
Hospitalization
Humans
Male
Malingering - diagnosis
Mental Disorders - rehabilitation
Personality Disorders - diagnosis
Personality Inventory
Predictive Value of Tests
Reproducibility of Results
Sensitivity and Specificity
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Summary:This study investigated the validity of the Miller Forensic Assessment of Symptoms Test (M-FAST), a brief measure of malingering, in an inpatient psychiatric sample of 70. Among those patients who also completed the Personality Assessment Inventory (N = 44), Total M-FAST score was related in the expected directions to the Personality Assessment Inventory validity scales and indexes, providing evidence for concurrent validity of the M-FAST. With the PAI malingering index used as a criterion, we examined the diagnostic efficiency of the M-FAST and found a cut score of 8 represented the best balance of sensitivity, specificity, positive predictive power, and negative predictive power. Based on this cut-score of 8, 16% of the population was classified as malingering. The M-FAST appears to be an excellent rapid screen for symptom exaggeration in this population and setting.
ISSN:0033-2941
1558-691X
DOI:10.2466/pr0.96.3.771-774