Early childhood
-
Mismeasuring learning: Beware of psychometric test scores
High-frequency data from a large early childhood intervention in China indicates that skills develop through the emergence of qualitatively new abilities and stochastic fluctuations, rather than as higher levels of a fixed trait, challenging the prac...
-
Hitting beyond the target: How early childhood interventions benefit siblings
The returns to early childhood interventions increase dramatically when accounting for the benefits experienced by siblings in the same household