The delivery of food contingent on 10 s of consecutive toy engagement resulted in a decrease in engagement and a corresponding increase in other responses that had been previously reinforced with food. Similar effects were not observed when tokens exchangeable for the same food were delivered, suggesting that engagement was disrupted by the…

In contrast to the literature on shaping adaptive behavior chains, few applied studies have described procedures for identifying and treating behavior chains involving problem behavior such as self-injury. The present study expands upon past work by conducting a conditional probability analysis and within-session analysis to identify a response…

The response satiation model of instrumental performance was used in two experiments to establish contingencies which reduced the self-injurious behavior of two adults with profound mental retardation and multiple handicaps. Transfer and generalization of training effects were also observed. (Author/DB)