A multiple probe design with probe conditions across behaviors was used to evaluate effectiveness of constant time delay on teaching snack and drink preparation skills to children with mental retardation. In addition, generalization effects across settings, time, and materials, and maintenance effects were examined. Three students between the ages…

A study assessed the effects of assigned versus self-selected goals and contingent versus non-contingent gameplay conditions delivered during computer-assisted math computation drill-and-practice sessions. Subjects were 20 high-school students with learning disabilities. Self-selected goals were more effective; no differences existed between…

A study of 4 youths (ages 11-18) with autism examined the effectiveness of teaching appropriate affective behavioral responses. Participants were described by teachers as having flat and inappropriate affect. Treatment consisted of modeling, prompting, and reinforcement. The combination of an error-correction procedure and contingent delivery of…

Three adolescents with developmental disabilities and severe behavior problems received eye-contact skill training using a contingency management approach in a community-based residential treatment center. The intervention produced significant increases in positive eye contact across two social settings. Staff reports of increased social…