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Joseph Rollinson

August 19, 2020

How well does Duolingo work?

Xiangying JiangJoseph RollinsonCindy Blanco Research
January 31, 2020

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

Joseph RollinsonXiangying Jiang Learning
July 11, 2018

Crown Levels: A royal redesign

Joseph Rollinson Learning

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