Research Findings: Big Math for Little Kids (BMLK) is a mathematics curriculum developed for use with 4- and 5-year-old children. To investigate the BMLK curriculum's effect on children's mathematics knowledge, this cluster-randomized controlled trial randomly assigned child care centers to provide mathematics instruction to children, using either…

The Center for Research on Education Outcomes (CREDO) at Stanford University conducted a large-scale analysis of the impact of charter schools on student performance. The center's data covered 65-70% of the nation's charter schools. Although results varied by state, 17% of the charter school students have significantly higher math results than …

This report identifies and synthesizes what is known about specific program features for children and youth aged 6-17 that might be manipulated or regulated-components such as staff wages, group size, activities, and theoretical approach that make up the "how" of program implementation. The authors have culled information from the limited extant…

Clarifies details of research design and procedures in response to critiques of six longitudinal comparative studies from the Early Intervention Research Institute. The institute's investigations examined the effects and costs of early intervention for children with disabilities. (BB)