Marta Rubio CodinaSonya KrutikovaLina Cardona‐SosaRaquel BernalOrazio AttanasioAlison Andrew2026-03-222026-03-22201910.1920/wp.ifs.2019.1923https://doi.org/10.1920/wp.ifs.2019.1923https://andeanlibrary.org/handle/123456789/86401Citaciones: 4Global access to preschool has increased dramatically yet preschool quality is often poor. We use a randomized controlled trial to evaluate two approaches to improving the quality of Colombian preschools.enQuality (philosophy)PsychologyDevelopmental psychologyreport