Using quantified learner dynamics to preserve the integrity of learning and knowledge assessment in adaptive retrieval practice.
This repository accompanies a paper:
van der Velde, M., Krambeer, M., & van Rijn, H. (2025). Preserving the integrity of study behaviour in online retrieval practice using quantified learner dynamics. Proceedings of the 18th International Conference on Educational Data Mining, 680--687. https://doi.org/10.5281/zenodo.15870147
Please refer to the paper for a detailed description of the methods and results.
Generate keystroke and learning performance features from the response data:
make featuresFit the XGBoost model for each learner:
make fitEvaluate the performance of fitted models:
make evaluateDo all of the above:
make allThis project is co-financed by the National Education Lab AI.

