Prior research has shown that social-emotional learning (SEL) interventions offer promise for supporting young children's outcomes, but implementation problems are frequent, especially in low-resource contexts. This study describes the adaptation and efficacy of a new, classroom-based SEL intervention for children aged 3 to 6 years in early…

In the 1998 reauthorization of Head Start, Congress mandated that the US Department of Health and Human Services (DHHS) determine, on a national level, the impact of Head Start on the children it serves. As noted by the Advisory Committee on Head Start Research, this legislative mandate required that the impact study address two main research…