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early childhood education

What a new preschool study tells us about early child education – and about impact evaluation

David Evans's picture
When I talk to people about impact evaluation results, I often get two reactions:
  1. Sure, that intervention delivered great results in a well-managed pilot. But it doesn’t tell us anything about whether it would work at a larger scale. 
  2. Does this result really surprise you? (With both positive results and null results, I often hear, Didn’t we already know that intuitively?)

A recent paper – “Cognitive science in the field: A preschool intervention durably enhances intuitive but not formal mathematics” – by Dillon et al., provides answers to both of these, as well as giving new insights into the design of effective early child education.

Conditional on your parents, does your country matter for early childhood human capital? Surprisingly no!

David McKenzie's picture
There is a large literature that emphasizes the importance of investments made in early life for lifetime outcomes. Does growing up in a poor, conflict-afflicted country have a negative impact? There are many reasons to think yes, including the disease environment, quality of medical facilities, availability of nutrition, quality of early-childhood education facilities etc.