Aggregation improves learning: experiments in natural language generation for intelligent tutoring systems

  • Authors:
  • Barbara Di Eugenio;Davide Fossati;Dan Yu;Susan Haller;Michael Glass

  • Affiliations:
  • University of Illinois, Chicago, IL;University of Illinois, Chicago, IL;University of Illinois, Chicago, IL;University of Wisconsin - Parkside, Kenosha, WI;Valparaiso University, Valparaiso, IN

  • Venue:
  • ACL '05 Proceedings of the 43rd Annual Meeting on Association for Computational Linguistics
  • Year:
  • 2005

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Abstract

To improve the interaction between students and an intelligent tutoring system, we developed two Natural Language generators, that we systematically evaluated in a three way comparison that included the original system as well. We found that the generator which intuitively produces the best language does engender the most learning. Specifically, it appears that functional aggregation is responsible for the improvement.