Send email for updates


Effectiveness bank home page. Opens new windowResearch abstract

This entry is for a study added to the Effectiveness Bank but not fully analysed. Usually the entry consists only of the reference and an edited version of the original abstract, with either no commentary from Drug and Alcohol Findings or only essential points. The original study was not published by Findings; click Title to order a copy. Free reprints may be available from the authors – click prepared e-mail.

Links to other documents. Hover over for notes. Click to highlight passage referred to. Unfold extra text Unfold supplementary text
Copy title and link | Comment/query |

Randomized trial of intensive motivational interviewing for methamphetamine dependence.

Polcin D.L., Bond J., Korcha R. et al.
Journal of Addictive Diseases: 2014, 33, p. 253–265.
Unable to obtain a copy by clicking title? Try asking the author for a reprint by adapting this prepared e-mail or by writing to Dr Polcin at dpolcin@arg.org. You could also try this alternative source.

Evidence that nine sessions of intensive motivational interviewing may help alleviate psychiatric problems among people with methamphetamine dependence.

Summary Motivational interviewing is a counselling style which though not explicitly directive is intended to lead the client themselves to commit to a plan to change their drinking or drug taking behaviour. There is a large bank of evidence on the effectiveness of motivational interviewing in the treatment of substance use problems, but almost exclusively as a preparation for more intensive treatment. Much of this evidence describes motivational interviewing as a single or short-term intervention – relatively little is known about the utility of motivational interviewing over a longer period of time, or over a greater number of sessions.

In this US study researchers tested the effectiveness of nine sessions of intensive motivational interviewing compared with a single session of standard motivational interviewing (padded out to the same length with educational sessions on nutrition) for treating methamphetamine dependence. Also assessed were co-occurring psychiatric symptoms. They presumed that intensive motivational interviewing would give the “client and therapist more time to address implementation of the change plan, including obstacles and barriers that emerge as the plan is enacted”, and predicted that it would reduce the number of days of methamphetamine use, overall drug use severity, and psychiatric severity more than standard motivational interviewing. The intensive intervention was initially piloted with 30 methamphetamine dependent people, and was associated with reductions in the number of days of methamphetamine use and the number of positive urine screens (compared to pre-treatment levels).

217 methamphetamine dependent individuals were randomly assigned to one of the two interventions, alongside which all received standard outpatient group treatment three times a week.

Both groups showed significant decreases in methamphetamine use and drug severity scores. However, only clients in the intensive motivational interviewing group showed reductions in psychiatric severity scores and days of psychiatric problems during the past 30 days.

The authors concluded from this that standard motivational interviewing may be equally beneficial as intensive motivational interviewing in reducing methamphetamine use and problem severity, but intensive motivational interviewing may help alleviate co-occurring psychiatric problems which remain unaffected by shorter motivational interviewing interventions.


Findings logo commentary Most of the sample responded to ads and other publicity, rather than being recruited after seeking treatment in the normal way. For this reason and because so many did not join the study they may be unrepresentative of treatment populations.

The study findings indicate that there were reductions in severity of psychiatric problems (in general) and depression (in particular), though only reaching levels of statistical significance for psychiatric problems (not depression). Participants in the intensive motivational interviewing intervention had more severe psychiatric problems at the start of the study than corresponding participants in the standard motivational interviewing group. Given this, it is possible that the reductions found in the intensive motivational interviewing group were a case of regression to the mean – the statistical tendency for ‘extreme’ cases to become less extreme (move towards the average) when re-assessed.

Last revised 23 May 2016. First uploaded 17 May 2016

Comment/query
Give us your feedback on the site (two-minute survey)
Open Effectiveness Bank home page
Add your name to the mailing list to be alerted to new studies and other site updates


Top 10 most closely related documents on this site. For more try a subject or free text search

STUDY 2011 Extended telephone-based continuing care for alcohol dependence: 24-month outcomes and subgroup analyses

REVIEW 2015 Psychological and psychosocial interventions for cannabis cessation in adults: a systematic review short report

STUDY 2012 The effectiveness of Prisoners Addressing Substance Related Offending (P-ASRO) programme: evaluating the pre and post treatment psychometric outcomes in an adult male category C prison

REVIEW 2013 The comparative effectiveness of outpatient treatment for adolescent substance abuse: A meta-analysis

REVIEW 2010 Research Review: The effectiveness of multidimensional family therapy in treating adolescents with multiple behavior problems – a meta-analysis

STUDY 2010 Effect of motivational interviewing on reduction of alcohol use

REVIEW 2018 Cohesion in group therapy: a meta-analysis

STUDY 2010 Gender differences in client-provider relationship as active ingredient in substance abuse treatment

STUDY 2019 Efficacy and cost-effectiveness of an adjunctive personalised psychosocial intervention in treatment-resistant maintenance opioid agonist therapy: a pragmatic, open-label, randomised controlled trial

REVIEW 2010 A meta-analysis of motivational interviewing: twenty-five years of empirical studies