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Lucy Portnoff's Picture

Lucy Portnoff

Lucy Portnoff is a data scientist focusing on learning assessment at Duolingo. She graduated from the University of California, Berkeley with an undergraduate degree in Mathematics.

December 2, 2021

Two simple tricks for remembering what you've learned on Duolingo

by Lucy Portnoff Research
July 31, 2021

Can you reach intermediate reading and listening proficiency with Duolingo?

by Lucy Portnoff and Xiangying Jiang Research
31 de jul. de 2021

¿Puedes alcanzar un nivel intermedio de comprensión escrita y oral con Duolingo?

por Lucy Portnoff y Xiangying Jiang

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