A Population Wide Analysis of MCMI-IV Symptom Validity Scales Administered in the Veterans Affairs Healthcare System.
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| Title: | A Population Wide Analysis of MCMI-IV Symptom Validity Scales Administered in the Veterans Affairs Healthcare System. |
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| Authors: | Shura, Robert D. (AUTHOR), Rine, Jordan V. (AUTHOR), Ingram, Paul B. (AUTHOR), Schroeder, Ryan W. (AUTHOR), Armistead-Jehle, Patrick (AUTHOR), Giromini, Luciano (AUTHOR) |
| Source: | Journal of Personality Assessment. Jul/Aug2026, Vol. 108 Issue 4, p574-584. 11p. |
| Subjects: | Test validity, Response styles (Examinations), Veterans affairs offices, Veterans, Psychological tests, Minnesota Multiphasic Personality Inventory, United States. Dept. of Veterans Affairs |
| Abstract: | The Millon Clinical Multiaxial Inventory-IV (MCMI-IV) is a psychological assessment tool commonly used in Veteran Affairs (VA) settings. However, no research has examined the MCMI-IV symptom validity scales in the veteran population, where high rates of response bias can occur. This study examined convergent validity of the MCMI-IV scales to the Minnesota Multiphasic Personality Inventory-2-Restructured Form (MMPI-2-RF) validity measures, identified base rates of invalid MCMI-IV validity scores in the veteran population, and explored alternative cutoff scores. All MCMI-IVs administered in the VA (04/2019 − 08/2024, N = 6,466), using data from the Corporate Data Warehouse, were examined. MCMI-IV protocols were correlated with same day administrations of the MMPI-2-RF (n = 1,401) using Spearman's correlations. Disclosure and Debasement positively correlated with overreporting validity scales and negatively correlated with underreporting scales on the MMPI-2-RF, while Desirability showed the opposite pattern (all p <.001). Additionally, the Inconsistency scale positively correlated with MMPI-2-RF non-content validity scales. Less than 1% of MCMI-IV of protocols met the test manual's criteria for invalidity, a significant departure from invalid rates reported on other measures administered to veterans. Diagnostic accuracy analyses suggested new cutoff scores, specifically that overreporting be identified by X Disclosure base rate score (BRS) ≥ 87 and Z Debasement BRS ≥ 84, and underreporting identified by X Disclosure BRS ≤ 49 and Y Desirability BRS ≥ 74. Results suggest that while the MCMI-IV validity indices measure intended constructs, more optimal cutoffs are presented for the veteran population. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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