How much of the income-based gaps in cognitive ability and academic achievement could be closed by a two-year, center-based early childhood education intervention? Data from the Infant Health and Development Program (IHDP), which randomly assigned treatment to low birth weight children from both...

How much of the income-based gaps in cognitive ability and academic achievement could be closed by a two-year, center-based early childhood education intervention? Data from the Infant Health and Development Program (IHDP), which randomly assigned treatment to low birth weight children from both...

By how much would an intensive two-year center-based Abecedarian-type intervention, begun at age one, close income-based gaps in cognitive ability and school readiness? To generate estimates, we draw data from the Infant Health and Development Program (IHDP), which randomly assigned a treatment...