A comprehensive overview of Motivational Interviewing (MI) research and evidence. This document, compiled by William Miller, summarizes decades of studies and reviews examining the effectiveness of MI across clinical and behavioral health settings. It highlights findings from randomized controlled trials, meta-analyses, and systematic reviews that evaluate outcomes such as substance use, health behavior change, and engagement in treatment.
Perfect for educators, supervisors, and practitioners who want to strengthen their evidence-based understanding of MI.
Use this resource to:
Review key research supporting MI effectiveness
Reference findings in training and clinical supervision
Stay current on MI’s evidence base across disciplines
Learn more about MI training at our Motivational Interviewing courses.