Program administrators and policy makers have placed a priority on expanding access to inclusive, center-based early care and education (ECE) for low-income children with special needs, a "doubly vulnerable" population characterized by academic and social-emotional achievement gaps at kindergarten entry. Yet, no research has documented…

This report is the fourth in a series of follow-up analyses of nine longitudinal studies addressing the costs and effectiveness of alternative types of early intervention for children with disabilities. An introduction provides an historical perspective and conceptual framework for the studies, including common study elements and how research…