“…Many researchers have found evidence to support that single-sex programs are more successful than mixed-sex programs (Anderson & Whiston, 2005;Berkowitz, Buckhart, and Bourg, 1994;Foubert & Marriott, 1997;Hayes, Abbott, & Cook, 2016;Paul & Gray, 2011;. Piccigallo, Lilley, and Miller, 2012;Proto-Campise, Blknap, & Wooldredge, 1998;Yeater & O'Donohue, 1999).…”