The authors examine the dimensions of effective psychotherapy in an attempt to determine common variables of theoretic models which seem successful. Three such variables are discussed at length--concreteness, intensity and intimacy, and ambiguity. Assuming that one is not born with good therapist skills, one must learn them. Research and its…

Children with infantile autism display characteristics and behaviors that severely limit their growth and functioning on many levels. Research is reviewed in which principles of operant conditioning are implemented in procedures designed to investigate and/or modify the autistic child's behavior in the following areas: (a) social interaction, (b)…