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@inproceedings{1316789,
author = {Řihák, Jiří and Pelánek, Radek and Nižnan, Juraj},
address = {Madrid},
booktitle = {Proceedings of the 8th International Conference on Educational Data Mining},
keywords = {geography fact; prior student knowledge; adaptive practice; student modeling},
howpublished = {elektronická verze "online"},
language = {eng},
location = {Madrid},
isbn = {978-84-606-9425-0},
pages = {109-116},
publisher = {International Educational Data Mining Society},
title = {Student Models for Prior Knowledge Estimation},
year = {2015}
}
TY - JOUR
ID - 1316789
AU - Řihák, Jiří - Pelánek, Radek - Nižnan, Juraj
PY - 2015
TI - Student Models for Prior Knowledge Estimation
PB - International Educational Data Mining Society
CY - Madrid
SN - 9788460694250
KW - geography fact
KW - prior student knowledge
KW - adaptive practice
KW - student modeling
N2 - Intelligent behavior of adaptive educational systems is based on student models. Most research in student modeling focuses on student learning (acquisition of skills). We ocus on prior knowledge, which gets much less attention in modeling and yet can be highly varied and have important consequences for the use of educational systems. We describe several models for prior knowledge estimation – the Elo rating system, its Bayesian extension, a hierarchical model, and a networked model (multivariate Elo). We evaluate their performance on data from application for learning geography, which is a typical case with highly varied prior knowledge. The result show that the basic Elo rating system provides good prediction accuracy. More complex models do improve predictions, but only slightly and their main purpose is in additional information about students and a domain.
ER -
ŘIHÁK, Jiří, Radek PELÁNEK a Juraj NIŽNAN. Student Models for Prior Knowledge Estimation. In \textit{Proceedings of the 8th International Conference on Educational Data Mining}. Madrid: International Educational Data Mining Society. s.~109-116. ISBN~978-84-606-9425-0. 2015.
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