Recent studies demonstrate that emerging literacy depends on earlier language achievement. Importantly, most extant work focuses on "parent-reported production" prior to 30 months of age. Of interest is whether and how "directly assessed vocabulary comprehension" in the 2nd year of life supports vocabulary and kindergarten…

Research Findings: This study evaluated the impact of a self-monitoring intervention on preschool teachers' use of language and on children's language growth. Nineteen classrooms from Santiago de Chile participated (10 intervention, 9 control). Twice a week, intervention teachers filled out a checklist to monitor the language stimulation they…

Research Findings: The importance of self-regulation for children's successful academic performance has led to greatly increased interest in this topic in recent years. However, less is known about the interrelations among self-regulatory processes across different contexts. The present study investigated the structure of self-regulation in young…

This paper uses data from the Head Start Impact Study (HSIS), a nationally representative multisite randomized trial, to quantify variation in effects of Head Start during 2002-2003 on children's cognitive and socio-emotional outcomes relative to the effects of other local alternatives, including parent care. We find that (1) treatment and control…