Forbes-Riley, K and Litman, DJ
(2006)
Modelling user satisfaction and student learning in a spoken dialogue tutoring system with generic, tutoring, and user affect parameters.
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Abstract
We investigate using the PARADISE framework to develop predictive models of system performance in our spoken dialogue tutoring system. We represent performance with two metrics: user satisfaction and student learning. We train and test predictive models of these metrics in our tutoring system corpora. We predict user satisfaction with 2 parameter types: 1) system-generic, and 2) tutoring-specific. To predict student learning, we also use a third type: 3) user affect. Al-hough generic parameters are useful predictors of user satisfaction in other PARADISE applications, overall our parameters produce less useful user satisfaction models in our system. However, generic and tutoring-specific parameters do produce useful models of student learning in our system. User affect parameters can increase the usefulness of these models. © 2006 Association for Computational Linguistics.
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