Addictions, Drug & Alcohol Institute

Drinking Trajectories after Behavior Intervention: Assessing Mechanisms of Change

This project used existing data from the COMBINE study to evaluate mechanisms of behavior change following a combined behavioral intervention (CBI) for alcohol dependence.


Katie Witkiewitz, PhD PI (UW ADAI)
Bryan Hartzler, PhD Co-Investigator (UW ADAI)

Fund Information

National Institute on Alcohol Abuse and Alcoholism (NIAAA)
Grant #:
USD: $155,710
Start: September 15, 2007
End: September 29, 2010
Status: completed

Project Site


Project Results

  • Witkiewitz KA, Donovan DM, Hartzler B. Drink refusal training as part of a combined behavioral intervention: Effectiveness and mechanisms of change. J Consult Clin Psychol 2012;80(3):440-449. [Free online]
  • Witkiewitz KA, Villarroel NA, Hartzler B, Donovan DM. Drinking outcomes following drink refusal skills training: Differential effects for African-American and Non-Hispanic White clients. Psychol Addict Behav 2011;25(1):162-7. [View abstract]
  • Hartzler B, Witkiewitz KA, Villarroel NA, Donovan DM. Self-efficacy change as a mediator of associations between therapeutic bond and one-year outcomes in treatments for alcohol dependence. Psychol Addict Behav 2011;25(2):269-278. [Free online]