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Title: Reliability and validity of readiness-to-change measures among dual diagnosis hospital inpatients 
Author: Anthony, Cynthia J'
Date: 2004
Abstract: Individuals with a severe and persistent mental illness are at high risk for dual diagnosis with a substance use disorder. Dual diagnoses patients cycle between the community and the hospital more often than patients who do not have a substance use disorder. The Transtheoretical Model, which treats patients according to which stage of readiness-to-change a patient is in, is currently used with dual diagnosis patients. To determine which stage of readiness-to-change a person is in, assessment tests have been developed such as: The Decisional Balance Scale, Stages of Change Readiness and Treatment Eagerness Scale, Alcohol and Drug Consequences Questionnaire, and the Readiness Ruler. The purpose of this study was to assess the reliability and validity of these measures for use with an ethnically diverse population of dual diagnosis inpatients at a state psychiatric hospital. Measures of reliability and validity assessed included internal consistencies, test-retest reliability, discriminate validity and convergent validity. The results indicate that, overall, most measures showed acceptable (0.864 to 0.899) to good (0.935) internal consistency. Test-retest reliability also showed acceptable (0.587 to 0.646) to good (0.703 to 0.862) correlations. The validity analyses of the measures also showed overall good results. The SOCRATES Reflection subscale did not perform as well as the others. When grouped into the psychiatric diagnosis groups, most of the subscales remained in the acceptable range for internal consistency (0.761 to 0.899), and most subscales maintained significant test-retest results (0.725 to 0.940). Overall, the analysis by ethnicity showed more consistent results than the analysis by psychiatric diagnosis. The results of this study show that there is good potential to use readiness-to-change measures with the dual diagnosis hospital inpatient population.
Description: Thesis (M.A.)--University of Hawaii at Manoa, 2004. Includes bibliographical references (leaves 50-54). ix, 120 leaves, bound 29 cm
URI: http://hdl.handle.net/10125/11867
Rights: All UHM dissertations and theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission from the copyright owner.
Keywords: Dual diagnosis -- Patients -- Psychological testing -- Validity

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