How the Duolingo English Test Creates 45,000+ Test Questions with AI + Human Experts
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How the Duolingo English Test Creates 45,000+ Test Questions with AI + Human Experts
Ever wonder how the Duolingo English Test (DET) builds and maintains a bank of over 45,000 secure test items? This video breaks down the process: generative AI (like GPT) drafts items based on specialist guidelines, expert reviewers check each item for quality and fairness, and real test data validates difficulty and fairness before items go ...
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