California's Kindergarten Readiness Act of 2010 established transitional kindergarten (TK), the first year of a two-year kindergarten program for students affected by the change in the birthdate cutoff for entry into kindergarten from December 2 to September 1. This brief, the sixth in a series highlighting findings from the "Study of…

Over 21% of children in the United States today are poor, and the income gap between our nation's richest and poorest children has widened dramatically over time. This article considers children's self-regulation as a key mediating mechanism through which poverty has deleterious consequences for their later life outcomes. Evidence from field…

This report summarizes the conference proceedings of the fifth Head Start National Research Conference. The focus of the conference was on the relationship of environment and developmental changes. Keynote topics and speakers were: "How Can We Know Environment Really Matters?" (Michael Rutter); "Creating Developmentally Appropriate…