Articles by Lavanya Aprameya

  1. Improving Duolingo, one experiment at a time

    “Test everything.” This is one of the key operating principles that we follow at Duolingo in order to continuously improve the learning experience for our users. It means we rely heavily on experiments and data to help us make informed decisions about any updates or new features we launch.

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  2. How Does Duolingo Measure Learning?

    As a linguistics and computer science double major, I always wondered about the methods Duolingo uses to teach and how effective those methods are. I had the opportunity to look into exactly that as part of my internship on Duolingo’s Core Learning team. This past summer, I worked with the team to create a tool that visualizes information about Duolingo users’ learning patterns, helping both myself and the company answer the question of how to measure learning. In doing so, we found that the Learning Quiz, a tool that already exists in Duolingo, provides a stable and reasonable measurement of learning.

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