This study evaluated the efficacy of a preschool mathematics program based on a comprehensive model of developing research-based software and print curricula. Building Blocks, funded by the National Science Foundation, is a curriculum development project focused on creating research-based, technology-enhanced mathematics materials for pre-K…

Comparing 969 economically disadvantaged children attending Head Start, other preschools, or no preschool, this study assessed the Project's effectiveness. Findings indicated that Head Start provided an especially enriching preschool experience, and was an impressive instrument of short-term change in children. Gains in behaviors other than…