“…The greatest success has been found using methods based on operant condition- (Birnbrauer, 1968;Corte et al, 1971;Dorsey, Iwata, Ong, & McSween, 1980;Sajwaj, Libet, & Agras, 1974;Tanner & Zeiler, 1975). However, due to concerns regarding the appropriate and safe use of "restrictive" or "intrusive" treatments (e.g., ACFMR, 1971), it has been recommended that punishment be limited to those situations in which other interventions have failed (May, Risley, Twardosz, Friedman, Bijou, Wexler et al, 1975).…”