The effects of reinforcement choice on task performance were examined with six individuals (ages 6-39) who had been diagnosed with severe to profound mental retardation. Findings indicated that access to choice did not improve the task performance of the subjects when highly preferred items were already incorporated into instructional programs.…

The employment outcomes of 1,550 developmentally disabled individuals receiving supported employment services through 96 local programs in 8 states were analyzed. Results indicated that all groups of individuals, regardless of their primary disability, benefited from supported employment participation, especially those individuals receiving…

Two persons (ages 15-24) with developmental handicaps were taught by 2 therapists under varying punishment conditions. Results indicated that the task being taught was mastered by each subject only when the therapist delivering punishment was teaching and that each subject made more eye-to-face contact when the therapist delivering punishment was…

A study involving three individuals (ages 13-20) with developmental disabilities and problem behaviors examined the influential role that unanticipated idiosyncratic stimulus variables play in affecting the outcome of a functional analysis. Guidelines are discussed concerning when to suspect that idiosyncratic stimuli might be acting to influence…

Evaluation of 120 participants in a supported employment program suggests that successful program implementation led to on-going employment in community work sites, increased wages, and ongoing opportunities for interaction with nondisabled peers. Important procedural components included development of comprehensive Individualized Program Plans…