Activity sequence modelling and dynamic clustering for personalized e-learning

Mirjam Augstein, Alexandros Paramythis

Research output: Contribution to journalArticle

58 Citations (Scopus)

Abstract

Monitoring and interpreting sequential learner activities has the potential to improve adaptivity and personalization within educational environments. We present an approach based on the modeling of learners’ problem solving activity sequences, and on the use of the models in targeted, and ultimately automated clustering, resulting in the discovery of new, semantically meaningful information about the learners. The approach is applicable at different levels: to detect pre-defined, well-established problem solving styles, to identify problem solving styles by analyzing learner behaviour along known learning dimensions, and to semi-automatically discover learning dimensions and concrete problem solving patterns. This article describes the approach itself, demonstrates the feasibility of applying it on real-world data, and discusses aspects of the approach that can be adjusted for different learning contexts. Finally, we address the incorporation of the proposed approach in the adaptation cycle, from data acquisition to adaptive system interventions in the interaction process.
Original languageEnglish
Pages (from-to)51-97
Number of pages47
JournalJournal of User Modeling and User-Adapted Interaction
Volume21
Issue number1-2
DOIs
Publication statusPublished - Apr 2011

Keywords

  • Adaptivity
  • User modeling
  • E-learning
  • Data mining
  • Clustering
  • Unsupervised learning

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