A Meta-Analysis of Motivational Interviewing: Twenty-Five Years of Empirical Studies

  title={A Meta-Analysis of Motivational Interviewing: Twenty-Five Years of Empirical Studies},
  author={Brad Lundahl and Chelsea Kunz and Cynthia Brownell and Derrik R. Tollefson and Brian L. Burke},
  journal={Research on Social Work Practice},
  pages={137 - 160}
Objective: The authors investigated the unique contribution motivational interviewing (MI) has on counseling outcomes and how MI compares with other interventions. Method: A total of 119 studies were subjected to a meta-analysis. Targeted outcomes included substance use (tobacco, alcohol, drugs, marijuana), health-related behaviors (diet, exercise, safe sex), gambling, and engagement in treatment variables. Results: Judged against weak comparison groups, MI produced statistically significant… 

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