-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 …

cluster through multilevel statistical modeling. After controlling for characteristics of the children, families, and … communities, the data show a significant nonlinear relationship between altitude and child nutritional status. Peruvian children … living at medium/high altitudes appear to be worse off than children living at extremely high altitudes, where the negative …