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The Drug Avoidance Self-Efficacy Scale

G W Martin1, D A Wilkinson, C X Poulos

  • 1Addiction Research Foundation, Toronto, Ontario, Canada.

Journal of Substance Abuse
|January 1, 1995
PubMed
Summary
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Researchers developed the Drug Avoidance Self-Efficacy Scale (DASES) for individuals with multiple substance use disorders. This new scale reliably measures self-efficacy, crucial for addiction recovery and treatment engagement.

Area of Science:

  • Psychology
  • Addiction Medicine
  • Behavioral Science

Background:

  • Existing self-efficacy scales for addictive behaviors are not tailored for individuals with multiple substance use disorders.
  • A validated instrument is needed to assess self-efficacy in this specific population.

Purpose of the Study:

  • To develop and validate the Drug Avoidance Self-Efficacy Scale (DASES) for young, multiple-drug users.
  • To provide a reliable and valid measure of self-efficacy in this demographic.

Main Methods:

  • The DASES, a 16-item scale, was administered to 373 young multiple-drug users (ages 16-30) in treatment.
  • Psychometric properties, including unidimensionality and internal consistency (Cronbach's alpha = .9140), were evaluated.
  • Construct validity was assessed through correlations with drug use severity and treatment outcomes.

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Main Results:

  • The DASES demonstrated unidimensionality, indicating it measures a single underlying construct.
  • High internal consistency (Cronbach's alpha = .9140) suggests the scale is reliable.
  • Significant correlations with drug use severity and differential treatment effects support the scale's construct validity.

Conclusions:

  • The Drug Avoidance Self-Efficacy Scale (DASES) is a reliable and valid instrument.
  • DASES is suitable for measuring self-efficacy in young individuals with multiple substance use disorders.
  • This scale can aid in assessing treatment needs and progress for this population.