Abstract
This paper describes our efforts at constructing a fine-grained student model in Project LISTEN’s intelligent tutor for reading. Reading is different from most domains that have been studied in the intelligent tutoring community, and presents unique challenges. Constructing a model of the user from voice input and mouse clicks is difficult, as is constructing a model when there is not a well-defined domain model. We use a database describing student interactions with our tutor to train a classifier that predicts whether students will click on a particular word for help with 83.2% accuracy. We have augmented the classifier with features describing properties of the word’s individual graphemes, and discuss how such knowledge can be used to assess student skills that cannot be directly measured.
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Beck, J.E., Jia, P., Sison, J., Mostow, J. (2003). Predicting Student Help-Request Behavior in an Intelligent Tutor for Reading. In: Brusilovsky, P., Corbett, A., de Rosis, F. (eds) User Modeling 2003. UM 2003. Lecture Notes in Computer Science(), vol 2702. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-44963-9_41
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DOI: https://doi.org/10.1007/3-540-44963-9_41
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