In the United States, early intervention (EI) programs under Part C of the Individuals with Disabilities Education Act serve thousands of infants and toddlers with or at risk for developmental delays. Despite this, few studies have investigated the developmental progress and outcomes of children served, especially in relation to the heterogeneity…

Care Quality Rating and Improvement Systems (QRISs) have advanced and matured, a number of states and localities have undertaken evaluations to validate the systems. Such efforts stem from the desire to ensure that the system is designed and operating in the ways envisioned when the system was established. Given that a central component in a QRIS…

Although intensive early childhood interventions and high quality preschool programs have been shown to foster children's school readiness, little is known about the school readiness gains made by ethnically and linguistically diverse children in poverty receiving subsidies to attend center-based childcare or those in public school…