This commentary on EC 603 646, a paper describing a natural reinforcement project of Communidad Los Horcones (Mexico), argues that natural reinforcement is best when the learning objective produces a natural reinforcer and when the natural reinforcer is more powerful than any competing punishers inherent in the task or reinforcers for competing…

This review of research discusses how children with autism may acquire equivalence classes after learning to supply a common oral name to each stimulus in a potential class. A proposed methodology for researching referent naming and class formation, analysis of stimulus classes, and generalization is offered. (CR)

This article reviews the development of functional analysis in understanding behavior problems like self-injury and aggression and, more recently, school-based problems. Seen as particularly promising is current work on the analysis of setting events and analysis of dependent variables by considering the effects of intervention on response…

This commentary on a paper (EC 603 646) describing a natural reinforcement project of Communidad Los Horcones (Mexico) notes that the original paper lacks auxiliary procedures for students whose behaviors are not controlled by described procedures, offers no guidance on curriculum structure, and fails to recognize potential opposition to such…