The ability of a reinforcer to maintain behavior decreases as a hyperbolic function of its delay. This discounted value can help explain impulsivity defined as the choice of an immediate, small reinforcer over a delayed, large reinforcer. Human operant studies using consumable reinforcers such as videos have found impulsivity with delays under 1…

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)