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Stability of the MCMI-III in a substance-abusing inpatient sample.
1Drug Abuse Program Outpatient Clinic, VA Chicago Health Care System, West Side, IL 60612-3740, USA.
Psychological Reports
|March 18, 1999
Summary
The Millon Clinical Multiaxial Inventory-III (MCMI-III) showed stable personality pattern scales over six months in substance-abusing men. However, clinical syndrome scales like Drug Abuse were less reliable in this population.
Area of Science:
- Psychiatry
- Psychology
- Clinical Assessment
Background:
- The Millon Clinical Multiaxial Inventory-III (MCMI-III) is used to assess personality disorders and clinical syndromes.
- Assessing the stability of psychological measures is crucial for reliable diagnosis and treatment planning.
Purpose of the Study:
- To evaluate the test-retest reliability of MCMI-III scales in a sample of African-American men with substance use disorders.
- To determine if specific MCMI-III scales demonstrate adequate stability over a six-month period in this population.
Main Methods:
- The study included 35 African-American men admitted to an inpatient substance abuse program.
- Participants completed the MCMI-III, and stability was assessed over an average six-month test-retest interval.
Main Results:
- Personality pattern scales generally showed higher reliability than clinical syndrome scales.
- The Dependent (.83) and Narcissistic (.80) personality pattern scales demonstrated good reliability.
- Scales such as Drug Abuse, Somatoform, and Major Depression exhibited lower stability.
Conclusions:
- MCMI-III personality pattern scales appear more stable over six months in substance-abusing African-American men than clinical syndrome scales.
- Reliability estimates were lower than those reported in the MCMI-III manual, suggesting potential population-specific considerations.