“…It has been shown that operant conditioning can be applied to trial and error learning, verbal conditioning, motor learning, problem solving and concept formation (Skinner, 1953;Green, 1963 (Lovaas. 1968), severe anorexia (Bachrach, Erwin and Mohr, 1965), socially disr4-ptive behaviors in the classroom (0 1 Leary and Becker, 1967), self destructive behavior (Allen and Harris, 1966), anti-social behavior (Colman and Baker, 1968;Cohen, 1968), psychogenic seizures (Gardener, 1967), mutism (Sherman, 1965;Straughan, 1968) and gross behavioral disorders in adult psychotics Azrin, 1965, 1968;Brawley ~al., 1969).…”