From counselor skill to decreased marijuana use: Does change talk matter?

Abstract Client language about change, or change talk, is hypothesized to mediate the relationship between counselor fidelity in motivational interviewing (MI) and drug use outcomes. To investigate this causal chain, this study used data from an MI booster delivered to alternative high school studen...

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Bibliographic Details
Published in:Journal of substance abuse treatment 2014-04, Vol.46 (4), p.498-505
Main Authors: Barnett, Elizabeth, M.S.W, Moyers, Theresa B, Sussman, Steve, Ph.D., FAAHB, FAPA, Smith, Caitlin, M.A, Rohrbach, Louise A., Ph.D, Sun, Ping, Ph.D, Spruijt-Metz, Donna, Ph.D
Format: Article
Language:English
Subjects:
Addictive behaviors
Adolescent
Adult and adolescent clinical studies
Biological and medical sciences
Cannabis
Clinical Competence
Clinical skills
Counseling - methods
Counseling - standards
Desintoxication. Drug withdrawal
Drug addiction
Drug use
Female
High schools
Humans
Male
Marijuana
Marijuana Smoking - epidemiology
Marijuana Smoking - prevention & control
Marijuana use
Mechanisms of change
Mediation
Medical sciences
Miscellaneous
Models, Theoretical
Motivation
Motivational interviewing
Motivational Interviewing - methods
Psychiatry
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Public health. Hygiene
Public health. Hygiene-occupational medicine
Quality Indicators, Health Care
Reflection
Secondary school students
Students
Substance abuse
Substance abuse treatment
Substance-Related Disorders - epidemiology
Substance-Related Disorders - prevention & control
Treatments
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Summary:Abstract Client language about change, or change talk, is hypothesized to mediate the relationship between counselor fidelity in motivational interviewing (MI) and drug use outcomes. To investigate this causal chain, this study used data from an MI booster delivered to alternative high school students immediately after a universal classroom-based drug abuse prevention program. One hundred and seventy audio-recorded MI sessions about substance use were coded using the motivational interviewing skill code 2.5. Structural equation modeling showed that percentage of change talk on the part of the client mediated three of the four relationships between MI quality indicators and marijuana outcomes, while percentage of reflections of change talk showed a main effect of counselor skill on marijuana outcomes. Findings support change talk as an active ingredient of MI and provide new empirical support for the micro-skills of MI.
ISSN:0740-5472
1873-6483
DOI:10.1016/j.jsat.2013.11.004