This study analyzed effects of repetitive task size on rate of responding and behavior of five adolescents with autism and mental retardation. Compared to large-task conditions, small-task conditions resulted in higher on-task behavior and better work-related behavior for all participants and higher work rate for four participants. (Author/PB)

Four students (ages 4-6) with developmental disabilities who exhibited challenging behaviors in teaching situations were exposed to high intensity and low intensity social interaction in a play situation and a task situation. Interaction intensity made no difference in students' behavior. Two students exhibited task avoidance and two exhibited…

This study found that a procedure involving choral responding and self-assessment accompanied by contingent praise may be an effective tool for teaching in-class transition skills to preschoolers with developmental delays. Active engagement sharply increased, with collateral decreases in competing behavior and levels of teacher prompting of target…