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Exploring demoralization in the specific problems scales of the MMPI-2-RF in an impatient psychiatric sample
Harris, Jasmine B.
Harris, Jasmine B.
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dissertation
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Authors
Harris, Jasmine B.
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Advisors
Dorr, Darwin, 1940-
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2018-05
Type
Dissertation
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Subjects (LCSH)
Electronic dissertations
Electronic dissertations
Electronic dissertations
Citation
Abstract
This concurrent and construct validity study attempted to link the Restructured
Demoralization Clinical Scale (RCd) of the Minnesota Multiphasic Inventory- 2- Restructured
Form (MMPI-2-RF, Ben-Porath & Tellegen, 2008) to the Specific Problems Scales (SP) of the
MMPI-2-RF. The RCd scale was developed to improve the poor discriminant validity of the
Clinical Scales of the MMPI-2 by extracting a source of shared variance from the original nine
Clinical Scales of the MMPI. The shared variance was known as the ?first factor? and then later
as demoralization. Because the basic clinical scales of the MMPI were all saturated with this first
factor, they were highly intercorrelated, which lowered their discriminant validity. Hence, there
was a need to extract this variance from the basic scales and embed it in its own scale eventually
labeled demoralization (RCd). The Specific Problems scales were created for the MMPI-2-RF to
measure more specific Clinical Scale components not fully represented by the broader RC scales
such as suicide or juvenile conduct problems. For example, the developers of the RCd scale
attempted to minimize the role of demoralization in the Specific Problems Scales. The purpose
of this study was to provide evidence regarding the degree to which demoralization variance, as
measured by the RCd scale, was present in the Specific Problems Scales. Correlational and
regression analysis indicated that the RCd scale was generally highly correlated with RF
Internalizing and Somatization/Cognitive Scales, moderately correlated with Interpersonal
Scales, and modestly correlated with the Externalizing Scales. The factor analysis yielded a
generally clean four factor structure that had the virtue of simple structure and psychological
meaningfulness. The Pearson correlations and regression analyses provided evidence that,
indeed, there is a relationship between RCd and several of the dimensions measured by the
Specific Problem Scales in this inpatient population.
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Thesis (Ph.D.)-- Wichita State University, College of Liberal Arts and Sciences, Dept. of Psychology
Publisher
Wichita State University
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Copyright 2018 by Jasmine Bene' Harris
All Rights Reserved