The Use of IRT for Adaptive Item Selection in Item-Based Learning Environments

  • Authors:
  • Kelly Wauters;Wim van den Noortgate;Piet Desmet

  • Affiliations:
  • itec, Interdisciplinary Research on Technology, Communication and Education, KULeuven --Campus Kortrijk, Belgium;itec, Interdisciplinary Research on Technology, Communication and Education, KULeuven --Campus Kortrijk, Belgium;itec, Interdisciplinary Research on Technology, Communication and Education, KULeuven --Campus Kortrijk, Belgium and Franitalco, Research on French, Italian and Comparative Linguistics, KU Leuven, ...

  • Venue:
  • Proceedings of the 2009 conference on Artificial Intelligence in Education: Building Learning Systems that Care: From Knowledge Representation to Affective Modelling
  • Year:
  • 2009

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Abstract

The popularity of learning environments is increasing rapidly. In order to make learning environments more efficient, researchers have been matching the item difficulty to the learner's proficiency, as is done in computerized adaptive testing (CAT) by means of the item response theory (IRT). Even though some researchers have already implemented ideas of CAT and IRT for adaptive item selection in learning environments, some differences between testing and learning environments have been overlooked. In this study we focus on those differences that may require an adaptation of these existing CAT and IRT methods.