A study of seven adults with mild mental retardation investigated whether nonverbal behavior was under the control of covert rules and whether verbal reports of these rules were functionally equivalent to the covert rules that control nonverbal behavior. Results indicated self-instructions, when used as external instructions, produced the desired…

Three adults with intellectual and visual disabilities were taught vocationally relevant tasks through the use of a self-operated verbal instruction system. Data showed that during the training all participants achieved percentages of correct task performance exceeding 90. Use of instructional clusters was effective in maintaining high levels of…

This article reviews five self-management strategies used to help people with severe and profound developmental disabilities acquire and maintain constructive occupation: picture cues presented on sets of cards, picture cues stored in computer-aided systems, object cues attached to cards, verbal cues stored in audio recording devices, and…