https://schooling-frontier.pages.dev/tags/cluster-rct/ Recent content in Cluster RCT on Schooling Frontier Hugo en Sat, 26 Sep 2026 00:00:00 +0900 https://schooling-frontier.pages.dev/posts/children-who-moved-more-at-preschool-gained-vocabulary/ Sat, 26 Sep 2026 00:00:00 +0900 https://schooling-frontier.pages.dev/posts/children-who-moved-more-at-preschool-gained-vocabulary/ A 22-week randomized trial across 15 preschools improved inhibitory control and expressive vocabulary. Then the mediation analysis found that how much the children actually moved explained none of it.