“…As human resource development is expensive, organizations must decide which competencies should be focused upon during skill development. Even though most diversity trainings have positive effects (e.g., Murphy, Park, & Lonsdale, 2006;Whitt, Edison, Pascarella, Terenzini, & Nora, 2001), there are also some diversity trainings that show no effect (e.g., Dogra, 2001;Tran, Young, & Di Lella, 1994) or even negative effects (e.g., Bush & Ingram, 2001;Von Bergen, Soper, & Foster, 2002). Our results suggest that the training of social competencies in the context of team diversity could focus on the social competences of the team members.…”