“…Boom, 1991), but also because antisocial and prosocial behavior have been shown to be determined to an important extent by the sociomoral climate of the environment both in schools (Brugman et al, 2003;Higgins, Power, & Kohlberg, 1984;Høst, Brugman, Tavecchio, & Beem, 1998;Power et al, 1989) and in the context of organized youth sports (e.g., Guivernau & Duda, 2002;Rutten et al, 2007;Stephens, 2000). Ommundsen, Roberts, Lemyre, and Treasure (2003) showed that a positive mastery-oriented sports climate proved to be associated with higher levels of sociomoral reasoning and a reduction of antisocial behavior in adolescent male soccer players.…”