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Learning How Students Learn with Bayes Nets

  • Chao-Lin Liu
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4053)

Abstract

This extended abstract summarizes an exploration of how computational techniques may help educational experts identify fine-grained student models. In particular, we look for methods that help us learn how students learn composite concepts. We employ Bayesian networks for the representation of student models, and cast the problem as an instance of learning the hidden substructures of Bayesian networks. The problem is challenging because we do not have direct access to students’ competence in concepts, though we can observe students’ responses to test items that have only indirect and probabilistic relationships with the competence levels. We apply mutual information and backpropagation neural networks for this learning problem, and experimental results indicate that computational techniques can be helpful in guessing the hidden knowledge structures under some circumstances.

Keywords

Mutual Information Bayesian Network Test Item Computerize Adaptive Test Learning Pattern 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

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    Liu, C.L.: Using mutual information for adaptive item comparison and student assessment. J. of Educational Technology & Society 8(4), 100–119 (2005)Google Scholar
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    Carmona, C., Millán, E., Pérez-de-la-Cruz, J.-L., Trella, M., Conejo, R.: Introducing Prerequisite Relations in a Multi-layered Bayesian Student Model. In: Ardissono, L., Brna, P., Mitrović, A. (eds.) UM 2005. LNCS (LNAI), vol. 3538, pp. 347–356. Springer, Heidelberg (2005)CrossRefGoogle Scholar
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    Liu, C.L., Wang, Y.T.: An experience in learning about learning composite concepts. In: 6th IEEE ICALT (to appear, 2006)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Chao-Lin Liu
    • 1
  1. 1.National Chancier UniversityTaipeiTaiwan

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