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@inproceedings{1305108,
author = {Nižnan, Juraj and Papoušek, Jan and Pelánek, Radek},
address = {Madrid},
booktitle = {Proceedings of the Workshops at the 17th International Conference on Artificial Intelligence in Education},
editor = {Second Workshop on Simulated Learners},
keywords = {student modeling; evaluation; simulated data; feedback},
howpublished = {elektronická verze "online"},
language = {eng},
location = {Madrid},
pages = {21-30},
publisher = {Sun SITE Central Europe},
title = {Exploring the Role of Small Differences in Predictive Accuracy using Simulated Data},
year = {2015}
}
TY - JOUR
ID - 1305108
AU - Nižnan, Juraj - Papoušek, Jan - Pelánek, Radek
PY - 2015
TI - Exploring the Role of Small Differences in Predictive Accuracy using Simulated Data
PB - Sun SITE Central Europe
CY - Madrid
KW - student modeling
KW - evaluation
KW - simulated data
KW - feedback
N2 - Research in student modeling often leads to only small improvements in predictive accuracy of models. The importance of such improvements is often hard to assess and has been a frequent subject of discussions in student modeling community. In this work we use simulated students to study the role of small differences in predictive accuracy. We study the impact of such differences on behavior of adaptive educational systems and relation to interpretation of model parameters. We also point out a feedback loop between student models and data used for their evaluation and show how this feedback loop may mask important differences between models.
ER -
NIŽNAN, Juraj, Jan PAPOUŠEK a Radek PELÁNEK. Exploring the Role of Small Differences in Predictive Accuracy using Simulated Data. Online. In Second Workshop on Simulated Learners. \textit{Proceedings of the Workshops at the 17th International Conference on Artificial Intelligence in Education}. Madrid: Sun SITE Central Europe, 2015, s.~21-30. ISSN~1613-0073.
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