Two developmentally disabled children were held in seated position during application of timeout procedure. For autistic-like girl procedure produced dramatic reduction in tantrums and aggressive behavior and for mentally retarded boy reduced aggression. For both, immobilization timeout proved more effective than reinforcement methods alone. (CMG)

Parents' and grandparents' ratings of alternative treatments for children with behavior disorders were assessed. Differential reinforcement of other behavior (DRO), time-out, response cost, spanking, and medication were applied to noncompliance, aggression, tantrums, and hyperactivity. DRO, response cost, and time-out were found significantly more…