Least-to-most prompting hierarchies (e.g., progressing from verbal to modeled to physical prompts until the target response occurs) may be ineffective when the prompts do not cue the individual to attend to the relevant stimulus dimensions. In such cases, emission of the target response persistently requires one or more of the higher level…

The present experiment investigated the impact of contextually trained discriminations on gambling behavior. Nine recreational slot-machine players were initially exposed to concurrently available computerized slot machines that were each programmed on random-ratio schedules of reinforcement and differed only in color. All participants distributed…

Results of the study involving five moderately/severely retarded adolescents indicated that picture prompts can be successully used to promote both acquisition and generalization of performance, and the subsequent training time on a novel task was reduced when the use of picture prompts had been previously trained. (Author/CL)