The following publications are possibly variants of this publication:
- AutoTutor: Incorporating Back-Channel Feedback and Other Human-Like Conversational Behaviors into an Intelligent Tutoring SystemSonya Rajan, Scotty D. Craig, Barry Gholson, Natalie K. Person, Arthur C. Graesser, The Tutoring Research Group. ijst, 4(2):117-126, 2001. [doi]
- Intelligent Tutoring Systems with Conversational DialogueArthur C. Graesser, Kurt VanLehn, Carolyn Penstein Rosé, Pamela W. Jordan, Derek Harter. aim, 22(4):39-52, 2001.
- Multiple Agent Designs in Conversational Intelligent Tutoring SystemsAnne Lippert, Keith T. Shubeck, Brent Morgan, Andrew J. Hampton, Arthur C. Graesser. tkl, 25(3):443-463, 2020. [doi]
- ARIES: An Intelligent Tutoring System Assisted by Conversational AgentsZhiqiang Cai, Arthur C. Graesser, Keith K. Millis, Diane F. Halpern, Patricia S. Wallace, Cristian Moldovan, Carol Forsyth. aied 2009: 796 [doi]