A pretest-posttest study investigated the use of computers in managing and delivering home-based curricula for handicapped and high-risk preschool children in the Central Susquehanna Intermediate Unit in Lewisburg, Pennsylvania. Results indicated the computer increased curriculum effectiveness in concept development, maternal interaction, and data…

Describes a four-phase method of helping students who are mathematically unsophisticated and have difficulty relating their common sense, English-language understanding of a system to an abstract, mathematical description. The approach uses interactive simulation models. (Author/IRT)