Motivational Interviewing
Also known as: MI, motivational enhancement
Motivational Interviewing (MI) is a client-centered counseling approach designed to elicit and strengthen intrinsic motivation for behavioral change. Developed by William R. Miller and Stephen Rollnick in 1991, MI has been extensively applied to substance use disorders, health behavior change, mental health treatment engagement, and numerous other areas where ambivalence about change is a primary obstacle.
Key highlights
- Empirically supported for increasing intrinsic motivation and behavioral change across diverse domains
- Nonconfrontational approach reduces defensiveness and dropout compared to directive methods
- Compatible with many other therapeutic approaches; can be integrated into existing treatment
- Portable skills transferable to diverse settings (primary care, public health, workplace wellness)
- Emphasizes client autonomy and self-efficacy, promoting sustainable change
Intuition
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How it works
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When to use it
MI is particularly valuable when client ambivalence or resistance is prominent (substance abuse, diet change, medication adherence, treatment engagement). It is less effective when clients have little concern about the targeted behavior or when the clinician's role is purely informational or crisis management. MI is a flexible approach adaptable across diverse populations and problems.
Strengths & limitations
- Empirically supported for increasing intrinsic motivation and behavioral change across diverse domains
- Nonconfrontational approach reduces defensiveness and dropout compared to directive methods
- Compatible with many other therapeutic approaches; can be integrated into existing treatment
- Portable skills transferable to diverse settings (primary care, public health, workplace wellness)
- Emphasizes client autonomy and self-efficacy, promoting sustainable change
- Requires clinician training and skill; common implementation errors (e.g., excessive focus on information provision) reduce efficacy
- Not appropriate for clients with severe impairment, acute crisis, or legal mandates requiring immediate action
- Effectiveness moderates in severe substance dependence or disorders with limited insight
- Session length variable; some clients resolve ambivalence quickly while others require extended exploration
- Unclear mechanisms: unclear whether change talk itself drives change or is merely a marker of readiness
Common pitfalls
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Applications
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Frequently asked
Is Motivational Interviewing the same as pep talks or motivation?
No. Pep talks are directive and external. MI is collaborative and evokes the client's own intrinsic reasons for change. Clinicians listen more than they talk and avoid persuasion.
Can MI be used with involuntary clients (e.g., court-mandated treatment)?
MI can be adapted for involuntary clients, but its primary targets (intrinsic motivation, ambivalence resolution) may be less central. Combining MI with clear structure and expectations is recommended.
How long does an MI intervention take?
Brief MI can be 5–15 minutes in a primary care setting; full interventions may be 3–6 sessions. Even brief applications show benefit for many health behaviors.
How do I know if I am using MI correctly?
Audio or video recording and feedback is ideal. Key markers include high open-ended question ratio, frequent reflective listening, and strategic reinforcement of change talk over sustain-talk.
Sources
- 1.Miller, W. R., & Rollnick, S. (2002). Motivational interviewing: Preparing people for change (2nd ed.). Guilford Press.ISBN 9781572305632
- 2.Miller, W. R., & Rollnick, S. (2009). Ten things that motivational interviewing is not. Behavioural and Cognitive Psychotherapy, 37(2), 129–140.
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Cite this page
ScholarGate. (2026, June 3). Motivational Interviewing. ScholarGate. https://scholargate.app/clinical-psychology/motivational-interviewing