This review analyzes the origin and maintenance of self-injurious behavior, focusing on the areas of operant contingencies, sensory contingencies, and/or biological variables. It discusses definitions, prevalence, and etiology. A hypothesis is forwarded which includes components from both the operant and biological domains to explain the origin of…

Eight institutionalized male juvenile delinquents participated in a 13 session course on principles and techniques of self-management. The course was conducted in the Visual Response System, a specially designed classroom in which each student responds on an overhead projector built into his desk. (Author)