Multiple baseline analysis of responses of three autistic children (5-12 years old) revealed that unpredictable supervision (in which the therapist was present on a random, intermittent, and unpredictable basis) produced much higher levels of on-task responding during the therapist's absence. Analysis of work completed during the therapist's…

Prompting, positive and negative reinforcement, and a gradually extended reinforcement schedule were used with three autistic clients (two six-year-olds and one adolescent) to teach them to maintain on-task behaviors without constant supervision. Results indicated that appropriate behavior could be successfully maintained with only infrequent and…