Search results for author:"Kurt VanLehn"
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An Evaluation of Pedagogical Tutorial Tactics for a Natural Language Tutoring System: A Reinforcement Learning Approach
International Journal of Artificial Intelligence in Education Vol. 21, No. 1 (2011) pp. 83–113
Pedagogical strategies are policies for a tutor to decide the next action when there are multiple actions available. When the content is controlled to be the same across experimental conditions, there has been little evidence that tutorial decisions ...
Danielle E. Matthews; Kurt VanLehn; Arthur C. Graesser; G Tanner Jackson; Pamela Jordan; Andrew Olney; Andrew Carolyn P. Rosa
Cognitive Science Vol. 31, No. 1 (2007) pp. 3–62
It is often assumed that engaging in a one-on-one dialogue with a tutor is more effective than listening to a lecture or reading a text. Although earlier experiments have not always supported this hypothesis, this may be due in part to allowing the...