Sensitivity to reinforcement contingencies was examined in six individuals with mental retardation using a concurrent operants procedure in the context of a computer game. Results included individual differences in sensitivity and differential sensitivity to rate and magnitude variation. Results suggest that comprehensive assessments of potential…

This study, an approach to controlling "acting-out" behaviors of handicapped children in elementary schools, describes the use of a home-based dependent group contingency to eliminate the destructive behavior (fire-setting, vandalizing property) of a mildly retarded eight-year-old boy. (Author/PN)

This review summarizes and discusses literature relevant to the communication development of young children (0-5 years) with deaf-blindness. The review is divided into topical areas. The topical areas and the contributors for each area are as follows: "Perspectives on Communication Assessment" (Charity Rowland); "Research in Tactile…