Validity Rates of the Personality Assessment Inventory and the Minnesota Multiphasic Personality Inventory-2 in a VA Medical Center Setting

In this study, we compared protocol validity rates between the MMPI-2 ( Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989 ) and the Personality Assessment Inventory ( Morey, 1991 ) in a veteran population. Veterans (N = 472) were administered both instruments as part of routine psychological...

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Bibliographic Details
Published in:Journal of personality assessment 2007-02, Vol.88 (1), p.5-15
Main Authors: Braxton, Loretta E., Calhoun, Patrick S., Williams, John E., Boggs, Christina D.
Format: Article
Language:English
Subjects:
Adult
Aged
Aged, 80 and over
Female
Hospitals, Veterans
Humans
Male
Middle Aged
Minnesota Multiphasic Personality Inventory-2
MMPI
North Carolina
Personality Assessment
Personality tests
Psychological assessment
Validity
Veterans
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Summary:In this study, we compared protocol validity rates between the MMPI-2 ( Butcher, Dahlstrom, Graham, Tellegen, & Kaemmer, 1989 ) and the Personality Assessment Inventory ( Morey, 1991 ) in a veteran population. Veterans (N = 472) were administered both instruments as part of routine psychological evaluations. Profile validity was based on previously published criteria. When applying primary validity indicators, inpatients produced significantly fewer invalid PAI profiles (37%) than MMPI-2 profiles (63%). We found similar results among outpatients for which we considered 47% of MMPI-2 profiles invalid compared to only 21% of PAI profiles. When applying both primary and supplementary validity indicators, both inpatients and outpatients continued to produce fewer invalid PAI profiles than MMPI-2 profiles. We discuss factors that may be related to the differences in validity rates.
ISSN:0022-3891
1532-7752
DOI:10.1080/00223890709336829