Hassan et al. (2024) describe a randomized controlled trial conducted in Bangladesh during COVID-19. This comment identifies data irregularities from the original paper's replication package and notes its connection to other published papers. Critically, Hassan et al. (2024) andWang et al....

Using a randomized experiment in 200 Bangladeshi villages, we evaluate the impact of an over-the-phone learning support intervention (telementoring) among primary school children and their mothers during Covid-19 school closures. Post-intervention, treated children scored 35% higher on a...