Publications

Methods for Language Learning Assessment at Scale: Duolingo Case Study
June 29, 2021 - Lucy Portnoff, Erin Gustafson, Joseph Rollinson, and Klinton Bicknell

How well does Duolingo teach speaking skills?
June 1, 2021 - Xiangying Jiang, Joseph Rollinson, Haoyu Chen, Ben Reuveni, Erin Gustafson, Luke Plonsky, and Bozena Pajak

Duolingo Efficacy Study
August 14, 2020 - Xiangying Jiang, Joseph Rollinson, Luke Plonsky, and Bozena Pajak

From Predictive Models to Instructional Policies
2015 - Joseph Rollinson, Emma Brunskill

Undergraduate Senior Thesis
May 1, 2015 - Joseph Rollinson

NCME: Learning Assessment & User Behavior
July 28, 2020 - Joseph Rollinson and Xiangying Jiang

DuoCon 2020 - Our Efficacy Study
September 26, 2020 - Joseph Rollinson

How well does Duolingo teach speaking skills?
June 1, 2021 - Xiangying Jiang, Erin Gustafson, and Cindy Blanco

How well does Duolingo work?
August 19, 2020 - Xiangying Jiang, Joseph Rollinson, and Cindy Blanco

Doing our homework: Checking in on how well we're teaching
January 31, 2020 - Joseph Rollinson and Xiangying Jiang

Crown Levels: A Royal Redesign
July 11, 2018 - Joseph Rollinson