“…As such, several group process factors have been identified as important mechanisms of change in the group therapy literature. Specifically, group cohesion (Burlingame, McClendon, & Alonso, 2011; Harris, Brazeau, Clarkson, Brownlee, & Rawana, 2012), client program satisfaction (Sobell, Sobell, & Agrawal, 2009), and group leader empathy (Engle, Macgowan, Wagner, & Amrhein, 2010; Johnson, Burlingame, Olsen, Davies, & Gleave, 2005) are key group processes that predict positive behavior change. However, very little is known about group process factors associated with successful voluntary school-based intervention programs or whether these processes are affected by the group’s ethnic composition.…”