The study examined the unsupervised responding of 20-year-old male with profound handicaps and a lifelong history of dependency. Two objectives were pursued: establishment of independent unsupervised task responding with a stimulus and reinforcer fading procedure; and generalization of unsupervised performance across tasks and settings. (Author/DB)

This study, with a young autistic child and a young adult with profound mental retardation, demonstrated the effectiveness of a gradual, changing criterion process of stimulus shaping in training subjects to independently perform tasks with relatively high task requirements. (DB)

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…