Criterion validity of MMPI-3 scores in preemployment evaluations of public safety candidates.

The present study evaluated the criterion validity and practical utility of Minnesota Multiphasic Personality Inventory-3 (MMPI-3) scores in preemployment evaluations of police candidates (n = 377) and candidates for other public safety occupations (n = 276) in the Midwestern United States. Preemployment psychological reports were used to rate problems in the ten California Commission on Peace Officer Standards and Training screening dimensions (POST-10 dimensions). MMPI-3 T score means and standard deviations indicated that substantive scale scores were generally lower and less variable relative to the normative sample. MMPI-3 scores were meaningfully associated with problems in the POST-10 dimensions with similar patterns as past research but with generally larger effect sizes (likely due, in part, to criterion contamination). Relative risk ratio (RRR) findings supported the practical utility of interpretive guidelines described in the MMPI-3 Police Candidate Interpretive Report interpretive manual. Results are discussed in terms of the wider MMPI-2-RF literature in police officer preemployment evaluations. (PsycInfo Database Record (c) 2021 APA, all rights reserved).