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Joseph Rollinson

August 19, 2020

How well does Duolingo work?

by Xiangying Jiang, Joseph Rollinson and Cindy Blanco Research
January 31, 2020

Doing our homework: Checking in on how well we're teaching

by Joseph Rollinson and Xiangying Jiang Learning
July 11, 2018

Crown Levels: A royal redesign

by Joseph Rollinson Learning

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