A collection of 9 posts
April 30, 2020
The Duolingo English Test: AI-driven language assessment
Geoffrey T. LaFlair
April 8, 2020
Changes in Duolingo usage during the COVID-19 pandemic
December 16, 2019
How machine learning helps Duolingo prioritize course improvements
September 23, 2019
The Duolingo CEFR Checker: An AI tool for adapting learning content
January 9, 2017
How do your country, age and gender impact your New Year’s resolutions?
December 14, 2016
How we learn how you learn
August 30, 2016
For which courses do students make the most progress?
May 5, 2016
Which countries study which languages, and what can we learn from it?
March 31, 2016
Which countries are the best at keeping their New Year’s resolutions?
March 19, 2020
Educator and parent guide: Making the most out of staying at home
December 11, 2019
How we’ve improved the Duolingo learning experience this year (and a sneak peek toward 2020!)