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ASSESSING MOTIVATION FOR CHANGE IN SUBJECTS WITH ALCOHOL PROBLEMS: THE MAC2-A QUESTIONNAIRE

ASSESSING MOTIVATION FOR CHANGE IN SUBJECTS WITH ALCOHOL PROBLEMS: THE MAC2-A QUESTIONNAIRE,VALTER SPILLER,VALERIA ZAVAN,GIAN PAOLO GUELFI

ASSESSING MOTIVATION FOR CHANGE IN SUBJECTS WITH ALCOHOL PROBLEMS: THE MAC2-A QUESTIONNAIRE   (Citations: 1)
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Aims: This article presents the validation study of a questionnaire (MAC2-A), created to assess motivation for change in Italian adult subjects with alcohol related problems who require or are referred for assessment and treatment. The questionnaire evaluates readiness to change (RTC), self-efficacy and discrepancy. Methods: The questionnaire was validated on 419 subjects referred to 23 health agencies in Italy. Results: The questionnaire showed good internal consistency and temporal stability. Exploratory and con- firmatory factor analysis confirms the consistency with the theoretical assumptions. Test-retest showed high reliability on all scales except one. Visual analogue control scales used for reliability and concurrent validity yielded strong correlations with the corresponding variables. Conclusion: The study confirms the validity of the instrument, and its consistency with the model. The MAC2-A question- naire is the first psychometric instrument integrating three factors (discrepancy, self-efficacy, RTC) into a D model of motivation for change.
Published in 2006.
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