Behrman, Jere R. (contributor) - 2006
-income countries. Rigorous studies on the effectiveness of ECD-related programs for improving children's development in various … longitudinal data collected over three years on a cohort of 6,693 children age 0-4 years at baseline in two "treatment" regions and …, household, and child level and unobserved fixed characteristics, with differential impacts by age of children and duration of …