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.

Articles by Lucy Portnoff

D⁠u⁠o⁠l⁠i⁠ng⁠oで中級の読解力とリスニング力を身につけられる⁠？
May 26

Kann man mit Duolingo ein mittleres Niveau im Lese- und Hörverstehen erreichen?
May 12

Dá para alcançar o nível intermediário de leitura e escuta com o Duolingo?
Mar 17

Two simple tricks for remembering what you’ve learned on Duolingo
Dec 2

Can you reach intermediate reading and listening proficiency with Duolingo?
Jul 31

¿Puedes alcanzar un nivel intermedio de comprensión escrita y oral con Duolingo?
Jul 31