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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.
Journal of Nursing Measurement
|September 20, 2022
Summary
This study psychometrically evaluated the Addiction Self-Efficacy Scale (ASES), finding it reliable and valid for assessing self-efficacy in addiction recovery. The ASES demonstrates good psychometric properties for use in rehabilitation settings.
Area of Science:
- Psychology
- Addiction Research
- Health Psychology
Background:
- Self-efficacy is crucial for addiction recovery.
- A new 14-item Addiction Self-Efficacy Scale (ASES) was developed.
- Psychometric evaluation is needed to validate the ASES.
Purpose of the Study:
- To psychometrically evaluate the newly developed 14-item Addiction Self-Efficacy Scale (ASES).
- To assess the reliability and validity of the ASES in a rehabilitation setting.
Main Methods:
- 171 subjects (114 male, 57 female) from a rehabilitation program participated.
- The 14-item ASES was administered between days 25 and 30 of treatment.
- Psychometric properties including reliability and dimensionality were analyzed.
Main Results:
- The ASES demonstrated a multidimensional structure with two factors explaining 64% of the variance.
- Reliability for the two subscales was high (.92 for 9 items, .86 for 5 items).
- A ceiling effect was observed across all 14 items.
Conclusions:
- The Addiction Self-Efficacy Scale (ASES) shows evidence of reliability.
- The ASES provides evidence of face and content validity.
- The ASES is a potentially valuable tool for measuring self-efficacy in addiction treatment.
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