Imitative responding was first established and then reinforced only in the presence of one stimulus and not in the presence of another. Subjects were three institutionalized, severely subnormal boys. (Author)

Two autistic boys, ages 6 and 10 years, whose imitative responding was functionally inaccurate and whose performance generalized poorly, were trained to imitate accurately using a reinforcement-extinction strategy. (DLS)

The primary thrust of this book is the presentation of two divergent models of man, the explicit and implicit philosophical assumptions which characterize each view, the conditions of learning compatible with each model, and the educational implications of each position. An introductory section considers the two models of man--the phenomenological…

Two environmental learning conditions based on generative linguistics were tested to determine whether they could induce in children (in grades 1-3) the acquisition of the rules of metaphors and the subsequent generation of metaphors based on the acquired rules. The first modeling condition (MC-1) emphasized the verbal-interaction effect: the…

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.…