Distinctiveness of the MMPI-3 Self-Importance and Self-Doubt Scales

Assessment of PTSD and Trauma Symptoms With the MMPI-3 in College Students: Validity and Incremental Utility of the Anxiety Related Experiences (ARX) Scale

Post Traumatic Stress Disorder (PTSD) is heterogeneous in nature, which complicates diagnostic efforts and makes accurate assessment tools critical. The MMPI family of instruments are widely used broadband measures of psychopathology, including trauma symptomology. The MMPI-3's Anxiety Related Experiences scale (ARX) is an expansion of the MMPI-2-RF Anxiety (AXY) scale which has historically represented the MMPI family's best measure of trauma symptoms. This study expands research on ARX in 2 samples of college students (n = 332 [PCL-5 Criterion] & n = 58 [CAPS-5 Criterion]) by examining ARX's incremental, criterion, and classification validity. ARX incrementally predicted PCL-5 total and cluster scores beyond that accounted for by AXY (R2Δ = .01-.09). ARX accounted for the most unique variance, beyond RCd and RC7, in CAPS-5 interview ratings of intrusion symptoms (R2Δ = .16). ARX was strongly related to trauma symptomology broadly (r = .42-.58) and demonstrated strong screening ability at T65 (sensitivity = .37-.40; specificity = .91-.92) and stronger diagnostic screening at T75 (sensitivity = .31; specificity = .93). We discuss clinical considerations when using ARX for assessing PTSD.

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

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.

Construct validation of Minnesota Multiphasic Personality Inventory-3 (MMPI-3) scales relevant to the assessment of bipolar spectrum disorders

BACKGROUND

The Minnesota Multiphasic Personality Inventory-3 (MMPI-3) is a commonly used psychological test that includes several scales relevant to measuring manic and depressive symptoms of bipolar spectrum disorders.

AIMS

The goal of the present study was to evaluate the construct validity of MMPI-3 scale scores with respect to self-report measures of bipolar psychopathology.

MATERIALS & METHODS

Using a sample of 644 university students in New Zealand, we calculated correlations between scores on the MMPI-3 and the Hypomanic Personality Scale-Short Form (HPS-SF) total and factor scores and the Altman Self-Report Mania Scale (ASRM) total and item scores.

RESULTS

For associations against the HPS-SF, almost all of the hypotheses were supported, whereas for the ASRM scale, several were not. We also estimated a series of regression models predicting HPS-SF and ASRM scores from meaningfully associated MMPI-3 scores. Hypomanic Activation (RC9), Activation (ACT), and Self-Importance (SFI) scores emerged as the most consistent and substantial predictors of criteria, with SFI scores being more specifically associated with total scores and criteria related to Social Vitality. Several internalizing and thought dysfunction MMPI-3 scales were also meaningfully associated with scores on the HPS-SF and ASRM.

DISCUSSION & CONCLUSION

Implications and limitations, such as the use of a university student convenience sample, are discussed.

The Meaning and Clinical Implications of Low MMPI-3 Self-Importance Scores

The Minnesota Multiphasic Personality Inventory-3 (MMPI-3) includes two self-concept-oriented scales: Self-Doubt (SFD), a measure of low self-esteem, and Self-Importance (SFI), a measure of beliefs that one has special attributes and abilities. Past research has demonstrated that SFD and SFI measure related but distinct constructs. The present study focused on explicating the meaning and clinical implications of low SFI scores. Using three clinical samples (private practice and community mental health and private practice neuropsychology clinics), we investigated whether the presence of interpretable low SFI scores (< 39 T) in the context of interpretable SFD elevations (≥ 65 T) is associated with distinctive MMPI-3 findings, and whether low SFI scores add clinically meaningful information in predicting relevant extra-test criteria. Consistent meaningful findings were obtained with respect to implications of low SFI scores for assessment of depression- and social engagement-related constructs. Additionally, the full range of SFI scores was meaningfully and negatively correlated with depressive disorder diagnoses and suicidal ideation but yielded very small correlations with suicide attempt and nonmeaningful correlations with diagnoses of Social Anxiety or Avoidant Personality Disorder. Hierarchical logistic regression analyses showed that SFI scores could meaningfully increment other related MMPI-3 scales in predicting diagnosed depressive disorders, albeit with small effect sizes.

Using the MMPI-3 in Legal Settings

In this paper, we review the historical evolution of the MMPI instruments, consider the empirical foundations for its use in Forensic Mental Health Assessments (FMHAs) with particular emphasis on the applicability of MMPI-2-RF research to these evaluations, and identify ways in which the inventory can be effectively but also inappropriately used in these assessments. We also review appellate court decisions related to forensic uses of the MMPI and discuss implications for cross-examination on MMPI-3-based testimony, emphasizing the need for forensic practitioners to be familiar with the empirical research available to guide MMPI-3 use in FHMAs. We identify areas needing further research, including the utility of the test in assessments of persons of color, investigations of the applicability of MMPI-3 results in various specific forensic assessments and rehabilitative applications, and further research on implications of the new English and Spanish-language norms. Potential contributions of studies using the updated MMPI-3 scales in descriptive research on forensic populations are also discussed. We conclude that when used properly to assess for evidence of invalid responding that may affect FMHAs, or psychological functioning relevant to answering psycho-legal referral questions, the MMPI-3 rests on solid empirical foundations that can withstand the scrutiny inherent in forensic evaluations.

Associations between MMPI-3 scale scores and the DSM-5 personality disorders

OBJECTIVE

The current study examined associations between Minnesota Multiphasic Personality Inventory-3 (MMPI-3) scales and self-reported DSM-5 Section II personality disorder (PD) symptoms. A priori hypotheses were generated for which MMPI-3 scales would be most highly associated with each PD.

METHODS

We used a large sample (n = 489) of university students, who completed the MMPI-3 and two established self-report measures of personality disorders.

RESULTS

The results were generally consistent with theoretical expectations and previous research utilizing the MMPI-2-RF. Specifically, most hypothesized MMPI-3 scales exhibited meaningful associations with relevant PD variables, although there were some notable exceptions. The regression models revealed significant predictors for each PD which were generally consistent with expectations and previous research.

CONCLUSIONS

Overall, the MMPI-3 appears well situated to cover a range of DSM-5 Section II PD-related psychopathology, and three of the new MMPI-3 scales appear to have added utility for assessing personality pathology.