The study sought to identify effective procedures for facilitating initial imitative vocal behavior in mentally retarded children, thus accelerating the initial stages of language acquisition. Three groups of Down syndrome children ages 6 months to 4 years (N=15) served as subjects in an examination of the relative effectiveness of three…

Ten schizophrenic and autistic children who exhibited self destructive, tantrum, echolalic, and self stimulatory behaviors were treated by reinforcement therapy. Reinforcement withdrawal, in the form of interpersonal isolation contingent upon self-destruction, and electrical shocks served to extinguish these behaviors in some children.…

The goal of the investigation was to eliminate the disruptive, resistant and assaultive behaviors and increase the appropriate peer interaction of an economically disadvantaged kindergarten white boy. The treatment program involved presentation of adult (teacher) attention contingent upon desirable classroom behavior, withholding of attention…

Recognizing that punishment for aggression often is noneffective or inadvertently reinforces the aggressive act, the authors discuss an alternative approach and provide an explanation of the exchange theory of aggression. Three classroom experiments, operated with children chosen as the most severe behavior problems in a local school system, are…

A description of the Social Exchange Laboratory's work with autistic children is presented. The laboratory's philosophy of the exchange theory of autism, seen as a set of habitual response patterns maintained and intensified by exchanges which are inadvertantly structured by others in the child's environment, is set forth with characteristics,…