For 36 years, the "KIDS COUNT® Data Book" has provided a clear, consistent overview of children's well-being, using federal data collected across all 50 states. These reliable national- and state-level measures help leaders see where there is progress, where greater support is needed and which strategies are making a difference. By…

Past estimates of the effect of family income on child development have often been plagued by endogeneity and measurement error. In this paper, we use two simulated instrumental variables strategies to estimate the causal effect of income on children's math and reading achievement. Our identification derives from the large, non-linear changes…

Suggests that recent social changes and trends make it imperative to include demographics of all kinds in research on child development. Proposes guidelines to help child development researchers procure demographic information from their study population. Provides specific questions that may help researchers devise demographic indicators, and…

This report describes the psychometric characteristics and related methodology of the 9-month data collection of the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B), which is sponsored by the U.S. Department of Education, National Center for Education Statistics (NCES) in the Institute of Education Sciences, in collaboration with several…

This report is Volume 2 of the methodology report that provides information about the development, design, and conduct of the 9-month data collection of the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B). This volume begins with a brief overview of the ECLS-B, but focuses on the sample design, calculation of response rates, development…