The ISSUP Exchange

The Evidence Speaks: What Research Says About MI Today Pt.4


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What does the evidence tell us about Motivational Interviewing (MI), and what might the future of research hold?

In the final episode of the ISSUP Exchange series, A/Prof. Goodman Sibeko and Professor Stephen Rollnick explore the research behind MI, discussing why it remains effective across so many settings. With over 2,500 randomised trials, MI is one of the most studied approaches in behavioural health, but some of the most valuable insights come from understanding how and why it works.

They look at the importance of process research, the impact of brief interventions in emergency settings, and how MI principles are now used beyond clinical practice, including in staff development, leadership, and team culture. The episode also touches on professionalisation in addiction services, AI's potential in MI training, and how embedding empathy and autonomy into systems can support both clients and practitioners.

Whether you're a researcher, trainer, or frontline practitioner, this episode offers a thoughtful look at where MI is making a difference and how it can continue to shape people-centred care.

Featured Voices 

Host – A/Prof. Goodman Sibeko 

ISSUP Global Scientific Advisor.

Head of Addiction Psychiatry, University of Cape Town.

LinkedIn: goodmansibeko

Twitter/X: @profgsibeko

Guest – Professor Steve Rollnick 

Clinical Psychologist.

Co-founder of Motivational Interviewing. 

Visit: www.stephenrollnick.com

Time Stamps

[00:00] – Introduction

[00:54] – Defining Competence in Motivational Interviewing

[03:10] – The Role of Leadership in Effective Training

[05:04] – Organisational Culture and Change

[09:59] – The Importance of Helpfulness Skills

[12:44] – Training Models and Their Effectiveness

[16:02] – What Strengthens MI Competence in the Real World

About the ISSUP Exchange 

The ISSUP Exchange podcast series explores the evolution of responses to the challenges of substance use—from research and training to ethics, quality standards and evidence-based practice. We connect the dots so you can see the big picture. 

Explore more episodes and join the ISSUP podcast community here>>>

About ISSUP 

ISSUP is a global network that unites, connects, and shares knowledge across the substance use prevention, treatment, and recovery support workforce. Our mission is to make our members’ work as effective as possible—by providing access to training, resources, and a vibrant professional community. 

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