MMPI-2: Confidence intervals for random responding to the F, F Back, and VRIN scales

Several studies have investigated random responding to the F, F Back, and VRIN scales. Only one study attempted to provide practical cutoff scores for these scales, but was unable to reach definitive cutoffs. This study uses the normal approximation to the binomial distribution and provides confiden...

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Bibliographic Details
Published in:Journal of clinical psychology 2003-09, Vol.59 (9), p.985-990
Main Authors: Charter, Richard A., Lopez, Michael N.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Computer Simulation
Confidence intervals
Humans
Medical sciences
Personality Inventory - standards
Personality Inventory - statistics & numerical data
Psychological tests
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychometrics. Diagnostic aid systems
Psychopathology. Psychiatry
Random Allocation
Reference Values
Responses
Sensitivity and Specificity
Techniques and methods
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Summary:Several studies have investigated random responding to the F, F Back, and VRIN scales. Only one study attempted to provide practical cutoff scores for these scales, but was unable to reach definitive cutoffs. This study uses the normal approximation to the binomial distribution and provides confidence interval bounds for random responding at the 95, 90, and 85% levels for the F, F Back, and VRIN scales. The possibility that humans asked to respond randomly produce F, F Back, and VRIN scores different from computer‐generated random scores was investigated. The results show nonsignificant differences between human and computer responses for the F and F Back scales and mixed results for the VRIN scale. © 2003 Wiley Periodicals, Inc. J Clin Psychol.
ISSN:0021-9762
1097-4679
DOI:10.1002/jclp.10183