Two Heads May Be Better than One: Learning from Computer Agents in Conversational Trialogues.

Background: Pedagogical agents are computerized talking heads or embodied animated avatars that help students learn by performing actions and holding conversations with the students in natural language. Dialogues occur between a tutor agent and the student in the case of AutoTutor and other intelligent tutoring systems with natural-language conversation. The agents are adaptive to the students’ actions, verbal contributions, and, in some systems, their emotions (such as boredom, confusion, and frustration).

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