Psychometric properties of the “Autonomous and Controlled Motivation for Treatment Questionnaire” in women with eating disorders

To validate the Autonomous and Controlled Motivation for Treatment Questionnaire (ACMTQ) for use in women with an eating disorder (ED).Data were available for 463 individuals. We assessed factor structure, internal reliability, test-retest reliability, convergent/divergent validity, and incremental predictive validity.Our data showed acceptable fit to our hypothesized model (comparative fit index = 0.92, root mean square error of approximation =...