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Download full textHanke Vermeiren; Abe D. Hofman; Maria Bolsinova – International Educational Data Mining Society, 2025
The traditional Elo rating system (ERS), widely used as a student model in adaptive learning systems, assumes unidimensionality (i.e., all items measure a single ability or skill), limiting its ability to handle multidimensional data common in educational contexts. In response, several multidimensional extensions of the Elo rating system have been…
Descriptors: Item Response Theory, Models, Comparative Analysis, Algorithms
