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Prediction Is Not Calibration: Item Parameter Recovery and Representation Coupling in Knowledge Tracing

arXiv:2610.30211v1 Announce Type: new Abstract: Knowledge tracing (KT) models can estimate item parameters through an item response decoder trained solely for next-response prediction, yet predictive accuracy does not guarantee parameter recovery. We study 2PL, GPCM, and NRM decoders paired with LS…

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  1. 2026-10-23 04:00 · arXiv cs.LG
    Prediction Is Not Calibration: Item Parameter Recovery and Representation Coupling in Knowledge Tracing

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