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When a Low IRT Discrimination Score Is a Pipeline Problem

Originally published on mahdimolavi.ir . This is part 1 of IRT Calibration Notes, a six-part case study. Three exams from the current year, one for each track, came back from calibration with a maximum estimated discrimination well below what the archive showed for the same tracks. The data belonge…

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  1. 2026-10-24 09:45 · DEV Community — Machine Learning
    When a Low IRT Discrimination Score Is a Pipeline Problem

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