“…According to Yates' and Youniss' (1996) review, adolescents who engaged in community service were more socially-oriented than adolescents who were not engaged. More recent research showed that participating in community service is positively associated with a prosocial development (Carlo, Okun, Knight, & de Guzman, 2005;Metz, McLellan, & Youniss, 2003;Youniss & Reinders, 2010), helpfulness, other-oriented empathy (Penner & Finkelstein, 1998), prosocial value motivation (Carlo et al, 2005), social responsibility (Scales, Blyth, Berkas, & Kielsmeier, 2000), and prosocial norms (Hansen, Larson, & Dworkin, 2003). One of the few published longitudinal studies reported positive effects of community service on adolescents' prosocial behaviors over time (Reinders & Youniss, 2006).…”