Haar, Lotte van der; Gray-Lobe, Guthrie; Kremer, Michael; … - National Bureau of Economic Research - 2023
This study reports the findings from a year-long randomized evaluation assessing the impact of assigning 62 classrooms in Nigeria to receive either blocked or interleaved math problem sets. Blocked practice sessions focused on a single skill at a time. Interleaved problem sets alternated between...