Psychometric Evaluation of the Addiction Self-Efficacy Scale.

: To psychometrically evaluate a new investigator-developed 14-item Addiction Self-Efficacy Scale (ASES). : One hundred seventy-one subjects (114 male and 57 female) were recruited from an in-house rehabilitation program. Subjects were given the 14-item ASES between days 25 and 30 of the treatment program.