Four students with profound multiple disabilities were taught to use a microswitch communication system to request a change in recreational stimuli during social interactions with nondisabled peers. Outcomes are discussed in terms of the effects of controlling stimulus presentation on student behavior and the stability of preference hierarchies…

The relationship between compliance with "do" and "don't" requests was examined with six developmentaly disabled children with severe behavior disorders. Generalized compliance occurred only with requests of the same types as the target exemplar ("do" or "don't"). (Author/SEW)