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Towards Collaborative Intelligent Tutors: Automated Recognition of Users’ Strategies

  • Yakov Gal
  • , Elif Yamangil
  • , Stuart M. Shieber
  • , Andee Rubin
  • , Barbara J. Grosz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper addresses the problem of inferring students’ strategies when they interact with data-modeling software used for pedagogical purposes. The software enables students to learn about statistical data by building and analyzing their own models. Automatic recognition of students’ activities when interacting with pedagogical software is challenging. Students can pursue several plans in parallel and interleave the execution of these plans. The algorithm presented in this paper decomposes students’ complete interaction histories with the software into hierarchies of interdependent tasks that may be subsequently compared with ideal solutions. This algorithm is evaluated empirically using commercial software that is used in many schools. Results indicate that the algorithm is able to (1) identify the plans students use when solving problems using the software; (2) distinguish between those actions in students’ plans that play a salient part in their
problem-solving and those representing exploratory actions and mistakes; and (3) capture students’ interleaving and free-order action sequences.
Original languageEnglish
Title of host publication9th International Conference of Intelligent Tutoring Systems
Place of PublicationMontreal, Canada
PublisherSpringer
Pages162-172
Number of pages11
ISBN (Electronic)978-3-540-69132-7
ISBN (Print)978-3-540-69130-3
DOIs
Publication statusPublished - 2008
Event9th International Conference of Intelligent Tutoring Systems - Montreal, Canada
Duration: 23 Jun 200827 Jun 2008

Conference

Conference9th International Conference of Intelligent Tutoring Systems
Abbreviated titleITS 2008
Country/TerritoryCanada
CityMontreal
Period23/06/0827/06/08

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