Psychometric Properties of the MMPI-3 In a Sample of Black and White American Undergraduate Students: Examining Group Differences and Convergent/Discriminant Validity With the ASEBA Adult Self-Report

Document Type

Article

Publication Date

3-30-2023

School

Psychology

Abstract

The current study examined MMPI-3 internal and external psychometric properties with a focus on the impact of racialized group membership (Black and White Americans). The second aim was to examine convergent/discriminant MMPI-3 scale associations with a different broadband, hierarchical self-report assessment tool [Adult Self-Report (ASR)]. Consistent with findings on prior MMPI iterations, we expected to observe no clinically meaningful mean differences on MMPI-3 scale T-scores. We hypothesized that validity coefficients between MMPI-3 and ASR scales measuring similar constructs would be stronger (convergent validity) and the inverse for scales measuring disparate constructs (discriminant validity). We also expected coefficient magnitude consistency across racial groups. The final sample was composed of 254 undergraduates (74.4% female; 63.8% White, 36.2% Black). Results suggest 1) MMPI-3 substantive scale mean T-scores are comparable between White and Black American undergraduates; 2) MMPI-3 scales correlate with ASR scale scores in expected ways with regard to internalizing problems, rule breaking and impulsivity, thought problems, and substance use (but not overall externalizing, aggression, attention problems, and intrusiveness); and 3) convergent and discriminant associations between MMPI-3 and ASR scales are consistent across White and Black Americans. This work provides support for MMPI-3 use with racially diverse individuals, considers next steps for understanding MMPI-3 scale score functioning in diverse populations, and provides novel information on MMPI-3 correspondence with the ASR.

Publication Title

Journal of Personal Assessment

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