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Motivational subtypes and continuous measures of readiness for change: Concurrent and predictive validity.
Authors:Blanchard, Kimberly A.   Morgenstern, Jon   Morgan, Thomas J.   Labouvie, Erich   Bux, Donald A.
Abstract:
This study compared the concurrent and predictive validity of motivational subtypes versus a continuous measure of readiness for change as measured by the University of Rhode Island Change Assessment Scale (URICA; E. A. McConnaughy, J. O. Prochaska. & W. F. Velicer, 1983) in 252 individuals participating in a substance abuse treatment study (38% female; mean age = 36). Hierarchical cluster analysis identified a 2-cluster solution. Consistent with previous research, both the motivational subtypes and the continuous readiness measure exhibited good concurrent validity with both baseline characteristics and change process variables. Neither readiness-for-change measure predicted end treatment outcomes. Measures of readiness for change based on the URICA exhibit limited clinical utility, because they are not able to predict future behavior. (PsycINFO Database Record (c) 2010 APA, all rights reserved)
Keywords:drug dependency   drug rehabilitation clients   motivational subtypes   readiness for change   measures   concurrent validity   predictive validity   transtheoretical model of change
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