This article discusses problems inherent in the analysis of automatically reinforced behaviors, which are behaviors that are maintained by operant mechanisms independent of the social environment. Four classes of treatment that are compatible with automatic reinforcement are reviewed, including manipulations of establishing operations, sensory…

Basic and applied research on variables that influence the extinction of operant behaviors is reviewed and applied to the treatment of behavior disorders. The potential value of a general technology for the use of behavioral extinction is discussed. The paper concludes that current research findings are not sufficient for the development of a…

This overview reviews a program of interlinked cross-sectional and longitudinal investigations of the nature of cognitive development in infants and young children with Down's Syndrome. The research falls into three groupings: object concept studies, operant learning experiments, and IQ studies. Early results suggest a common learning style which…