A functional analysis suggested that rumination exhibited by an adult with autism was maintained by automatic reinforcement. Next, a preference assessment with three flavor sprays (i.e., flavored sprays used by dieters) showed that apple pie spray was most preferred. Finally, the effects of fixed-time delivery of the apple pie spray on levels of…

This review discusses the history of noncontingent reinforcement (NCR) and summaries findings from treatment research. It describes the use of NCR as a control procedure, NCR as a function-based treatment, considerations in the programming of NCR schedules, behavior-change mechanisms underlying NCR effects, and directions for future research.…