A Meta-Analysis of Motivational Interviewing: Twenty-Five Years of Empirical Studies.

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Title: A Meta-Analysis of Motivational Interviewing: Twenty-Five Years of Empirical Studies.
Authors: Lundahl, Brad W.1 Brad.Lundahl@socwk.utah.edu, Kunz, Chelsea1, Brownell, Cynthia1, Tollefson, Derrik2, Burke, Brian L.3
Source: Research on Social Work Practice. Mar2010, Vol. 20 Issue 2, p137-160. 24p. 5 Charts.
Subject Terms: *Behavior modification, *Counseling, *Exercise, *Drug abuse, Motivational interviewing, Meta-analysis, Quantitative research, Safe sex, Gambling
Abstract: Objective: The authors investigated the unique contribution motivational interviewing (MI) has on counseling outcomes and how MI compares with other interventions. Method: A total of 119 studies were subjected to a meta-analysis. Targeted outcomes included substance use (tobacco, alcohol, drugs, marijuana), health-related behaviors (diet, exercise, safe sex), gambling, and engagement in treatment variables. Results: Judged against weak comparison groups, MI produced statistically significant, durable results in the small effect range (average g = 0.28). Judged against specific treatments, MI produced nonsignificant results (average g = 0.09). MI was robust across many moderators, although feedback (Motivational Enhancement Therapy [MET]), delivery time, manualization, delivery mode (group vs. individual), and ethnicity moderated outcomes. Conclusions: MI contributes to counseling efforts, and results are influenced by participant and delivery factors. [ABSTRACT FROM AUTHOR]
Copyright of Research on Social Work Practice is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A Meta-Analysis of Motivational Interviewing: Twenty-Five Years of Empirical Studies.
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  Data: *<searchLink fieldCode="DE" term="%22Behavior+modification%22">Behavior modification</searchLink><br />*<searchLink fieldCode="DE" term="%22Counseling%22">Counseling</searchLink><br />*<searchLink fieldCode="DE" term="%22Exercise%22">Exercise</searchLink><br />*<searchLink fieldCode="DE" term="%22Drug+abuse%22">Drug abuse</searchLink><br /><searchLink fieldCode="DE" term="%22Motivational+interviewing%22">Motivational interviewing</searchLink><br /><searchLink fieldCode="DE" term="%22Meta-analysis%22">Meta-analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Quantitative+research%22">Quantitative research</searchLink><br /><searchLink fieldCode="DE" term="%22Safe+sex%22">Safe sex</searchLink><br /><searchLink fieldCode="DE" term="%22Gambling%22">Gambling</searchLink>
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  Data: Objective: The authors investigated the unique contribution motivational interviewing (MI) has on counseling outcomes and how MI compares with other interventions. Method: A total of 119 studies were subjected to a meta-analysis. Targeted outcomes included substance use (tobacco, alcohol, drugs, marijuana), health-related behaviors (diet, exercise, safe sex), gambling, and engagement in treatment variables. Results: Judged against weak comparison groups, MI produced statistically significant, durable results in the small effect range (average g = 0.28). Judged against specific treatments, MI produced nonsignificant results (average g = 0.09). MI was robust across many moderators, although feedback (Motivational Enhancement Therapy [MET]), delivery time, manualization, delivery mode (group vs. individual), and ethnicity moderated outcomes. Conclusions: MI contributes to counseling efforts, and results are influenced by participant and delivery factors. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Research on Social Work Practice is the property of Sage Publications Inc. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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