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Updated: Aug 28, 2025

The Motivation for Alcohol Reward: Predictors of Progressive-Ratio Intravenous Alcohol Self-Administration in Humans
Published on: April 28, 2022
Psychometric Evaluation of the Addiction Self-Efficacy Scale
Sharon L Oetker-Black1, Gayle Stickley2, Jaime L Fox3
1Walsh University, North Canton, Ohio sblack@walsh.edu.
Abstract:
Background and Purpose: To psychometrically evaluate a new investigator-developed 14-item Addiction Self-Efficacy Scale (ASES). Methods: 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. Results: The item means ranged from 7.19 to 9.34. There was a ceiling effect on all 14 items. The ASES was found to be multidimensional with two factors accounting for 64% of the total variance explained. Reliability of subscale 1 with nine items was .92 whereas, subscale 2 with five items had a reliability of .86. Conclusions: The ASES has evidence of reliability, face validity, and content validity.
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