“…CBI researchers have discussed the associated difficulties in determining the efficacy of CBIs, due to variations in training approaches. Components of CBI training include, but are not limited to; self-instruction, selfcontrol, role-play, modelling, coaching, problem-solving, and response-cost procedures (Ager & Cole, 1991;Etscheidt, 1991;Kazdin, 1991;Kendall, Reber, McLeer, Epps, & Ronan, 1990).…”