Drug Avoidance Self-Efficacy Scale – DASES
Measures an individual's self-efficacy to avoid drug and alcohol use across various high-risk situations.
Scale Development & Technical Details
Scale Overview
The Drug Avoidance Self-Efficacy Scale – DASES was developed by Martin, G. W. (1992). It is designed to measure Drug avoidance self-efficacy. The scale is intended for use with Individuals with substance use disorders or undergoing addiction treatment.
Scale Structure
This instrument consists of 17 items.
Response Format
Respondents rate each item using a custom response format.
Response anchors: 1 = certainly yes, 2 = probably yes, 3 = likely yes, 4 = can't say, 5 = probably no, 6 = likely no, 7 = certainly no.
The scale includes 8 reverse-scored items to reduce acquiescence bias.
Scoring
Items are summed to produce a total score.
Total scores range from 17 to 119. Interpretation guidelines:
- Low Self-Efficacy (High Risk of Relapse): 17 – 51
- Moderate Self-Efficacy: 52 – 85
- High Self-Efficacy (Low Risk of Relapse): 86 – 119
Psychometric Properties
Internal Consistency: The scale has demonstrated good to excellent internal consistency with reported Cronbach’s alpha values of High internal consistency (Cronbach's alpha typically ranges from 0.90 to 0.95).
Administration
The scale is self-administered and typically takes approximately 5 minutes to complete. It can be administered individually or in group settings. No special training is required for administration.