The effectiveness of a five-second time-delay procedure to teach three chained food preparation behaviors to four moderately retarded adolescents was evaluated within a multiple probe design across behaviors. The skills maintained over a three-month period and generalized from school to home for subjects completing the generalization probe…

Four students, aged 15-19, with moderate mental retardation learned to cash checks and use an automatic teller through either a decreasing prompt hierarchy or time-delay procedure. Both strategies led to acquisition of target tasks and were equally effective in producing performance maintenance; however, the decreasing prompt hierarchy was more…