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Psychometric evaluation of the MMPI-2 Restructured Clinical scales in two Dutch samples
P T van der Heijden1, J I M Egger, J J L Derksen
1Reinier van Arkel Psychiatric Hospital, 's-Hertogenbosch, The Netherlands. P.T.vander.Heijden@RvAGroep.nl
Journal of Personality Assessment
|August 16, 2008
Summary
The Minnesota Multiphasic Personality Inventory-2 Restructured Clinical (RC) scales demonstrate good reliability and internal validity in Dutch samples. Findings suggest U.S. validation studies are applicable to the Dutch version.
Area of Science:
- Psychological assessment
- Psychometrics
Background:
- The Minnesota Multiphasic Personality Inventory-2 Restructured Clinical (RC) scales offer a revised approach to personality assessment.
- Critiques regarding construct drift and scale redundancy necessitate validation in diverse linguistic and cultural contexts.
Purpose of the Study:
- To evaluate the internal validity, internal consistency, and test-retest reliability of the MMPI-2 RC scales.
- To examine the structural characteristics and cross-cultural comparability of the RC scales.
Main Methods:
- Analysis of the MMPI-2 RC scales in a Dutch normative sample (N=1,244) and a Dutch psychiatric outpatient sample (N=1,066).
- Principal component analysis was employed to assess structural characteristics.
- Comparison of mean raw scores between Dutch and U.S. normative samples.
Main Results:
- RC scales exhibited comparable or superior internal consistencies and lower intercorrelations than traditional Clinical scales.
- Principal component analysis revealed a clearer structural pattern for RC scales.
- Dutch and U.S. normative samples showed high correspondence in mean raw scores for men, with exceptions for RC2 and RC4.
Conclusions:
- The MMPI-2 RC scales demonstrate satisfactory reliability and promising internal validity in Dutch samples.
- Findings support the generalizability of U.S. validation studies to the Dutch-language version of the MMPI-2 RC scales.
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