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The Restructured Clinical (RC) scales of the MMPI-2: an item level factor analytic examination with psychiatric inpatients
Heinrichs, Robin J.
Heinrichs, Robin J.
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Dissertation
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2007-07
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Electronic dissertations
Electronic dissertations
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Abstract
This study examined the Restructured Clinical (RC) Scales of the MMPI-2 in a sample of 400
adult psychiatric inpatients. Scale intercorrelations were calculated for the RC and Clinical Scales and
an exploratory factor analysis was conducted to assess the degree to which the developers of the scales
were successful in the process of decreasing scale intercorrelations and removing the generalized
Demoralization that artificially inflated the original basic nine Clinical Scales. Exploratory principle
axis factor analysis was conducted with promax rotation. Resulting factors are discussed as is the
finding of diminished generalized Demoralization on RC Scales 1 through 9. The authors of the RC
Scales set forth the goal to remove Demoralization from the scales and to increase the disciminant
validity of the RC Scales. This study indicates that the RC Scales, in the current inpatient sample are
largely free of Demoralization. Further, the RC Scales were found to demonstrate better discriminant
validity than that of the original Clinical Scales, though in the current sample the improvement in
discriminant correlations is more modest than those reported in the RC Monograph.
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Thesis (Ph.D.)--Wichita State University, College of Liberal Arts and Sciences, Dept. of Psychology
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Wichita State University
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Copyright Robin J.Heinrichs, 2007. All rights reserved