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The Effectiveness of Duolingo English Courses in Developing Reading and Listening Proficiency

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Xiangying Jiang; Ryan Peters; Luke Plonsky; Bozena Pajak – CALICO Journal, 2024

This study evaluated the reading and listening proficiency levels of 245 English language learners who completed the Basic content (through Common European Framework of Reference for Languages [CEFR] level A2) of one of the following three Duolingo English courses: English for Japanese, Spanish, or Portuguese speakers. Participants self-reported…

Descriptors: Listening, Competency Based Education, English (Second Language), Second Language Learning