“…The particular variation of the dependent group contingency used with the Fair Play Game is called a random dependent group contingency (Hansen & Lignugaris/Kraft, 2005;Heering & Wilder, 2006;Jones, Boon, Fore, & Bender, 2008;Theodore, Bray, Kehle, & Dioguardi, 2004;Theodore, Bray, Kehle, & Jenson, 2001;Vidoni &Ward, 2006;Williamson, Campbell-Whatley, & Lo, 2009). Here a single member or subset of members of the group is randomly selected, and then the delivery of reinforcement to the entire group is made contingent upon the performance of the randomly selected "unknown" student(s).…”