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MMPI scales for DSM-III personality disorders: a preliminary validation study
L C Morey1, R K Blashfield, W W Webb
1Department of Psychology, Vanderbilt University, Nashville, Tennessee 37240.
Journal of Clinical Psychology
|January 1, 1988
Summary
This study found that Minnesota Multiphasic Personality Inventory (MMPI) scales effectively identify individuals with diagnosed personality disorders. The scales showed strong ability to differentiate between patients and healthy control groups.
Area of Science:
- Psychological assessment
- Clinical psychology
- Psychopathology
Background:
- The Minnesota Multiphasic Personality Inventory (MMPI) is a widely used psychometric tool.
- Accurate assessment of personality disorders is crucial for effective treatment.
- Previous research has explored the utility of MMPI scales for various diagnostic categories.
Purpose of the Study:
- To investigate the external validity of MMPI scales specifically designed to measure DSM-III Personality Disorders.
- To determine if these MMPI scales can effectively discriminate between individuals with diagnosed personality disorders and control subjects.
Main Methods:
- A preliminary investigation was conducted.
- The study involved a sample of 108 individuals diagnosed with personality disorders.
- A control group of 640 subjects was included for comparison.
Main Results:
- Many MMPI scales demonstrated effectiveness in discriminating personality disorders.
- Significant differences were observed between the clinical group and the control group.
- The findings support the external validity of these specific MMPI scales.
Conclusions:
- The MMPI scales examined show promise for identifying individuals with DSM-III Personality Disorders.
- These scales can be valuable tools in clinical settings for differential diagnosis.
- Further research is warranted to confirm these findings in larger and more diverse populations.