Guthrie Gray-Lobe
The long-term distributional impacts of a full-year interleaving math program in Nigeria
Topics: Student LearningThis 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… more →
Can brick phones bridge the digital learning divide? Evidence from SMS-based math practice
Topics: Student LearningHardware requirements are a barrier to widespread adoption of digital learning software among low-income populations. We investigate the demand among smallholder-farming households for a simple, adaptive math learning tool that can be accessed by widely available ``brick'' phones, and its effect… more →