MI Controlled Trials

Motivational Interviewing Research Summary by William Miller

A detailed summary of controlled trials exploring the effectiveness of Motivational Interviewing (MI). Compiled by William R. Miller, this research overview presents findings from randomized controlled trials evaluating MI across diverse clinical and behavioral settings, including addiction treatment, healthcare, and mental health.

The document highlights patterns in study outcomes and the growing evidence supporting MI as an effective, evidence-based approach for promoting behavior change.

Use this resource to:

  • Review controlled trial data on MI outcomes

  • Reference evidence in clinical training or supervision

  • Strengthen understanding of MI’s scientific foundation

To deepen your understanding of MI and learn directly from the founders, explore ourMotivational Interviewing courses.

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Research

MI Controlled Trials

A cumulative bibliography of outcome trials involving Motivational Interviewing (MI) in some way.