Two studies of three youths (ages 12-14) with severe mental retardation, who used aggression and self-injury to avoid difficult instructional situations, found that simple commands interspersed among more challenging instructional trials were effective at increasing the learners' responsiveness to instructions and decreasing levels of problem…

Two studies conducted with elementary-age children who displayed behavior problems (some with mild mental retardation) found that task preferences, task demands, and adult attention showed a positive relationship to improved behavior for some subjects. The studies were conducted in an outpatient clinic and a classroom. (Author/JDD)