4 CTN Dissemination Library [no.573]: Mutual Influence in Therapist Competence and Adherence to Motivational Enhancement Therapy.

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Mutual Influence in Therapist Competence and Adherence to Motivational Enhancement Therapy.

Drug and Alcohol Dependence 2011;115(3):229-236.. [doi: 10.1016/j.drugalcdep.2010.11.010]

Zac E. Imel, PhD (VA Puget Sound Healthcare System, PN Node), John S. Baer, PhD (Alcohol & Drug Abuse Institute, University of Washington, PN Node), Steve Martino, PhD (Connecticut VA Healthcare Center, Yale University, NEC Node), Samuel A. Ball, PhD (Yale Community School of Medicine, NEC Node), Kathleen M. Carroll, PhD (Connecticut VA Healthcare Center, Yale University, NEC Node).

Although psychotherapy involves the interaction of client and therapist, mutual influence is not typically considered as a source of variability in therapist adherence and competence in providing treatments assessed in clinical trials. This platform study examined variability in therapist adherence and competence in Motivational Enhancement Therapy (MET) both within and between caseloads in a large multi-site clinical trial (CTN-0004: Motivational Enhancement Treatment to Improve Treatment Engagement and Outcome in Subjects Seeking Treatment for Substance Abuse). Three-level multilevel models (repeated measures, nested within clients, nested with therapists) indicated significant variability both within and between therapists. There was as much and sometimes more variability in MET adherence and competence within therapist caseloads than between therapists. Variability in MET adherence and competence within caseloads was not consistently associated with client severity of addiction at baseline. However, client motivation at the beginning of the session and days of use during treatment were consistent predictors of therapist adherence and competence. Results raise questions about the nature of therapist adherence and competence in treatment protocols. Accordingly, future analysis of clinical trials should consider the role of mutual influence in measures of therapist performance. (Article (Peer-Reviewed), PDF, English, 2011)

Keywords: Behavior therapy | Community health services | Counselors | CTN platform/ancillary study | Fidelity of implementation | Motivational Enhancement Therapy (MET) | Motivational interviewing (MI) | Drug and Alcohol Dependence (journal)

Document No: 573, PMID: 21227601, PMCID: PMC3397170.

Submitted by CTN Dissemination Librarians, 1/12/2011.

AUTHORS SEARCH LINK
Baer, John S. search mail
Ball, Samuel A. search mail
Carroll, Kathleen M. search mail
Imel, Zac E. search mail
Martino, Steve search mail
PROTOCOLS
NIDA-CTN-0004 search www

Supported by a grant from the National Institute on Drug Abuse to the University of Washington Alcohol and Drug Abuse Institute.
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