David S. Matteson

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2025

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Dynamic Bayesian Item Response Model with Decomposition (D-BIRD): Modeling Cohort and Individual Learning Over Time
Hansol Lee | Jason B. Cho | David S. Matteson | Benjamin Domingue
Proceedings of the Artificial Intelligence in Measurement and Education Conference (AIME-Con): Full Papers

We present D-BIRD, a Bayesian dynamic item response model for estimating student ability from sparse, longitudinal assessments. By decomposing ability into a cohort trend and individual trajectory, D-BIRD supports interpretable modeling of learning over time. We evaluate parameter recovery in simulation and demonstrate the model using real-world personalized learning data.
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