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Prorating Method for Estimating MMPI-2-RF Scores From MMPI Responses: Examination of Score Fidelity and Illustration of Empirical Utility in the PERSEREC Police Integrity Study Sample

NCJ Number
249049
Journal
Assessment Dated: April 2015
Author(s)
Anthony M. Tarescavage; David M. Corey; Yossef S. Ben-Porath
Date Published
April 2015
Length
10 pages
Annotation

The purpose of the current study was to identify Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF) correlates of police officer integrity violations and other problem behaviors in an archival database with original MMPI item responses and collateral information regarding integrity violations obtained for 417 male officers.

Abstract

Study 1 estimated MMPI-2-RF scores from the MMPI item pool (which includes approximately 80 percent of the MMPI-2-RF items) in a normative sample, a psychiatric inpatient sample, and a police officer sample, and conducted analyses that demonstrated the comparability of estimated and full scale scores for 41 of the 51 MMPI-2-RF scales. Study 2 correlated estimated MMPI-2-RF scores with information about subsequent integrity violations and problem behaviors from the integrity violation data set. Several meaningful associations were obtained, predominately with scales from the emotional, thought, and behavioral dysfunction domains of the MMPI-2-RF. Application of a correction for range restriction yielded substantially improved validity estimates. Finally, relative risk ratios were calculated for the statistically significant findings using cutoffs lower than 65T, which is traditionally used to identify clinically significant elevations; several meaningful relative risk ratios were found. (Publisher abstract modified)