Several studies over the past two decades have evaluated the reliability and predictive validity2 of the RP model as well as the efficacy of treatment techniques based on this model. One recent large-scale research effort assessing the RP model was the Relapse Replication and Extension Project (RREP), which was funded by the National Institute on Alcohol Abuse and Alcoholism (Lowman et al. 1996). This collaborative research project evaluated the reliability of raters’ categorizations of high-risk situations using Marlatt’s taxonomy and assessed whether a prior situation could predict future lapse episodes.
