We conduct a large scale RCT to investigate peer effects in computer assisted learning (CAL). Identification of peer effects relies on three levels of randomization. It is already known that CAL improves math test scores in Chinese rural schools. We find that paired treatment improves the...

Mastery learning - the process by which students must demonstrate proficiency with a single topic before moving on - is well recognized as one of the most effective ways to learn, yet many teachers struggle or remain unsure about how to implement it into a classroom setting. This study evaluates...