Interest in scaling up prekindergarten programs for children from low income families is dramatically increasing, especially with the announcement by President Obama of support for "universal preschool." Research in early education supports the idea of developmentally appropriate practice as reflected in instructional groupings and…

This study seeks to answer the following question: Are impacts on Head Start classroom quality associated with impacts of Head Start on children's learning and development? This study employs a variety of descriptive and quasi-experimental methods to explore the role of classroom quality as a mediator or mechanism of Head Start impacts. This…