“…DRA using a positive reinforcer, such as food, has proven more effective (e.g., DeLeon et al, 2001;Lalli et al, 1999). However, other reinforcers, such as a break, are reportedly used more often by practitioners (Graff & Karsten, 2012) and there are a number of potential negative effects associated with the use of food (e.g., Frank-Crawford et al, 2012). Methods to increase the efficacy of the functional reinforcer, a break, in the treatment of escape-maintained problem behavior could have important clinical implications.…”