NATIONAL BUREAU OF ECONOMIC RESEARCH
NATIONAL BUREAU OF ECONOMIC RESEARCH
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Di Mo

Freeman Spogli Institute
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Stanford CA 94305

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NBER Working Papers and Publications

February 2017Peer Effects in Computer Assisted Learning: Evidence from a Randomized Experiment
with Marcel Fafchamps: w23195
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 beneficial effects of treatment for poor performers when they are paired with high performers. We test whether CAL treatment reduces the dispersion in math scores relative to controls, and we find statistically significant evidence that it does. We also demonstrate that the beneficial effects of CAL could potentially be strengthened, both in terms of average effect and in terms of reduced dispersion, if weak students are systematically paired with strong students during treatment. To our knowledge, this i...

Published: Marcel Fafchamps & Di Mo, 2018. "Peer effects in computer assisted learning: evidence from a randomized experiment," Experimental Economics, vol 21(2), pages 355-382. citation courtesy of

 
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