In this article we seek to promote a deeper understanding of the value of universal
intervention research in education as well as other fields and to call for greater …

There have been consistent efforts to assess treatment effect heterogeneity (TEH) of Head
Start using the data from the Head Start Impact Study (HSIS), a randomized controlled trial of …

Although high-quality early care and education (ECE) is widely accepted as one of the most
effective means for promoting early learning and development, many ECE programs have …

With decades of evidence to support early childhood development (ECD) programs and
policies, investment in ECD has expanded worldwide. Currently, over 70 nations have …

This article synthesizes findings from a reanalysis of data from the Head Start Impact Study
with a focus on impact variation. This study addressed whether the size of Head Start's …

Dual language learners (DLLs)-children who are learning and developing two languages-
are among the fastest growing groups of young children in the United States and currently …

This study links county-level early care and education (ECE) program, economic, and
demographic data to child-level data from the Early Childhood Longitudinal Study …

Neighborhoods provide resources that may affect children's achievement or moderate the
influences of other developmental contexts, such as early care and education (ECE). Using …

Abstract Data from the Head Start Impact Study (N= 3540) were used to test for differential
benefits of Head Start after one program year and after kindergarten on pre-academic and …

Early math skills are a strong predictor of later achievement for young children, not only in
math, but in other domains as well. Exhibiting strong math skills in elementary school is …