in the trial, enhancing the superiority of Twelve-Step Facilitation (TSF) over Cognitive Behavioral Therapy (CBT) and Motivational Enhancement Therapy (MET) (Bauer et al., 2007). In short, these results indicate that the assessment of genetic liability may also be important to studies of the efficacy of psychosocial interventions. More broadly, these results allude to the importance of integrating biological and psychosocial variables to more fully capture the clinical phenomenon of alcoholism.