“…In this brief report, we focus specifically on mental health outcomes. These outcomes have not been the focus of any previously evaluated gender-transformative health promotion programs for adolescent boys (Barker, Nascimento, Segundo, & Pulerwitz, 2005; Gruchow & Brown, 2011; Herrman et al, 2017; Liddell & Kurpius, 2014; Miller et al, 2013; Ricardo, Nascimento, Fonseca, & Segundo, 2010; Viola, Mankowski, & Gray, 2015), even though mental health promotion is a highly relevant outcome for such programming (Wong et al, 2017). Because gender norms are both socially constructed and socially learned, WiseGuyz is grounded in the theory of social influence, which focuses on the role social norms play in supporting or impeding behavior change (Pedlow & Carey, 2004).…”