This article summarizes and critically analyzes the literature on self-restraint (in which a mentally retarded individual restricts or prevents motion of a body part), particularly its identification, etiology, modification, and relationship to self-injurious behavior. The paper examines the hypotheses of negative reinforcement and stimulus…

This paper reviews the functional properties and procedural variations of differential reinforcement for the reduction of behavior disorders in individuals with developmental disabilities. The paper proposes that limited success may be a result of the arbitrary relationship that exists between reinforcers and target behaviors when behavioral…

This paper reviews the literature on functional assessment in the behavioral treatment of aggression in persons with mental retardation or developmental delays. Increased use of functional assessment and skill training is noted but no concomitant decrease in the use of intrusive procedures. (Author/DB)

This article outlines problems associated with large mental hospitals, describes how knowledge gained from these problems can be used to create alternative treatment programs, and introduces the papers in this special issue on community-based treatment programs for individuals with developmental disabilities. (JDD)