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Psychometric Properties and Predictive Validity of the Mt Scale of the MMPI-2

Eastern Michigan UniversityDeanLaut{at}online.emich.edu

Mark Garcia

Louisiana State University

Andrew Gloster

Eastern Michigan University

The College Maladjustment (Mt) Scale is a 41-item supplementary scale of the Minnesota Multiphasic Personality Inventory. It was designed to identify college students classified as maladjusted. Very little research has been conducted on the Mt Scale in the 40 years since its inception. The current study had the following four goals: (a) provide additional data on the internal consistency reliability, (b) examine the relationship between Mt Scale scores and various school-related domains, (c) examine the relationship between Mt scores and indices of distress (trauma exposure, post-traumatic stress disorder [PTSD] symptoms, and history of psychological treatment), and (d) examine the diagnostic accuracy of cutting scores across the full spectrum of possible scores using receiver operating characteristic (ROC) analyses. The Mt Scale is relatively internally consistent (alpha = .85). Elevations on the Mt Scale were significantly associated with lower current grade point average, arriving late to classes more often, the PTSD symptoms of avoidance and arousal, and a history of treatment. Last, the findings from the ROC analyses suggest that the previously obtained cutting scores of 15 and 22 are too low and that values of 29 or higher are more likely to yield the best diagnostic utility values.

Key Words: MMPI-2 • Mt Scale • PTSD • post-traumatic stress disorder

Assessment, Vol. 9, No. 4, 390-400 (2002)
DOI: 10.1177/1073191102238197


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