“…Sexual assault is a significant public health problem for undergraduates worldwide (D’Abreu, Krahé, & Bazon, 2013; Hayden, Graham, & Lamaro, 2016; Krahé et al, 2015; Ogunwale & Oshiname, 2017; Schuster, Krahé, Ilabaca Baeza, & Muñoz-Reyes, 2016; Valls, Puigvert, Melgar, & Garcia-Yeste, 2016). There is a dearth of evidence-based sexual-assault prevention, and bystander programs are one of the few strategies with some demonstrated efficacy at US universities (Banyard, Moynihan, & Crossman, 2009; Mabry, A., & Turner, M. M., 2015).…”