This talk is part of the ISP AI Forum series.

Abstract: Teachable agents, which act as peers that learners teach, have demonstrated success in enhancing learning due to the effect of learning by teaching and the rapport the agents establish with learners. Speakers build rapport in the process of aligning conversational behaviors with each other. Past work on lexical alignment with pedagogical agents has considered lexical alignment as repetition of single words and dealt with one-on-one interactions. I extend the work to a collaborative learning scenario that involves two learners and one agent to compare learner-agent interactions with learner-learner interactions. Furthermore, I look at the initiation and repetition of shared expressions that are possibly composed of multiple words. I discuss how learners’ lexical alignment with their partners and an agent is related to rapport and learning.

Bio: Yuya Asano is a PhD student in the Intelligent Systems Program. His research interests include natural language processing, AI in education, and human-computer interaction. 

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