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[Factor structure of the Stages of Change Readiness and Treatment Eagerness Scale (SOCRATES) in alcohol dependent
Neliana Buzi Figlie1, John Dunn, Ronaldo Laranjeira
1Unidade de Pesquisa em Alcool e Drogas (UNIAD), Departamento de Psiquiatria, Universidade Federal de São Paulo, SP, Brazil. nelianafiglie@uol.com.br
Objective:
The aim of this study was to investigate the reliability and factor structure of the Stages of Change Readiness and Treatment Eagerness Scale (SOCRATES), version 8, a 19-item self-reported instrument developed to measure readiness to change in alcohol-dependent alcoholics.
Methods:
A Confirmatory Factor analysis of the SOCRATES was performed based on the factor structures previously demonstrated by Miller & Tonigan and Maisto et al. in a sample with 326 alcohol-dependent outpatients. The questionnaire was translated into Portuguese, cross-culturally adapted and back-translated into English. During this process SOCRATES underwent some modifications to simplify some complex question formats.
Results:
The analysis showed that two correlated factors provided the best fit for the data and that these were similar to Maisto et al.'s factors.
Conclusions:
There was less evidence to support a three-factor structure. The results are compared to previous studies and the reasons for discrepancies are discussed.
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