Using Latent Semantic Analysis to Evaluate the Contributions of Students in AutoTutor. - Arthur C. Graesser; Peter M. Wiemer-Hastings; Katja Wiemer-Hastings; Derek Harter; Natalie K. Person (Interact. Learn. Environ., 2000)

Teaching with the Help of Talking Heads. - Arthur C. Graesser; Xiangen Hu; Natalie K. Person (ICALT, 2001)

AutoTutor: Incorporating Back-Channel Feedback and Other Human-Like Conversational Behaviors into an Intelligent Tutoring System. - Sonya Rajan; Scotty D. Craig; Barry Gholson; Natalie K. Person; Arthur C. Graesser; The Tutoring Research Group (Int. J. Speech Technol., 2001)

Learning about the Ethical Treatment of Human Subjects in Experiments on a Web Facility with a Conversational Agent and ITS Components. - Arthur C. Graesser; Xiangen Hu; Natalie K. Person; Craig D. Stewart; Joe Toth; G. Tanner Jackson; Suresh Susarla; Matthew Ventura (Intelligent Tutoring Systems, 2002)

Human or Computer? AutoTutor in a Bystander Turing Test. - Natalie K. Person; Arthur C. Graesser (Intelligent Tutoring Systems, 2002)

The Impact of Conversational Navigational Guides on the Learning, Use, and Perceptions of Users of a Web Site. - Arthur C. Graesser; G. Tanner Jackson; Matthew Ventura; James Mueller; Xiangen Hu; Natalie K. Person (AMKM, 2003)

Workshop on Modeling Human Teaching Tactics and Strategies. - Fabio N. Akhras; Benedict du Boulay; Arthur C. Graesser; Susanne P. Lajoie; Rosemary Luckin; Natalie K. Person (Intelligent Tutoring Systems, 2004)

Workshop on Social and Emotional Intelligence in Learning Environments. - Claude Frasson; Kaska Porayska-Pomsta; Cristina Conati; Guy Gouardères; W. Lewis Johnson; Helen Pain; Elisabeth André; Timothy W. Bickmore; Paul Brna; Isabel Fernández de Castro; Stefano A. Cerri; Cleide Jane Costa; et al. (Intelligent Tutoring Systems, 2004)

Dialogue Modes in Expert Tutoring. - Whitney L. Cade; Jessica L. Copeland; Natalie K. Person; Sidney K. D'Mello (Intelligent Tutoring Systems, 2008)

What Are You Feeling? Investigating Student Affective States During Expert Human Tutoring Sessions. - Blair Lehman; Melanie Matthews; Sidney K. D'Mello; Natalie K. Person (Intelligent Tutoring Systems, 2008)

Antecedent-Consequent Relationships and Cyclical Patterns between Affective States and Problem Solving Outcomes. - Sidney K. D'Mello; Natalie K. Person; Blair Lehman (AIED, 2009)

Expert Tutors Feedback Is Immediate, Direct, and Discriminating. - Sidney K. D'Mello; Blair Lehman; Natalie K. Person (FLAIRS, 2010)

The Intricate Dance between Cognition and Emotion during Expert Tutoring. - Blair Lehman; Sidney K. D'Mello; Natalie K. Person (Intelligent Tutoring Systems (2), 2010)

Examining the Role of Gestures in Expert Tutoring. - Betsy Williams; Claire Williams; Nick Volgas; Brian Yuan; Natalie K. Person (Intelligent Tutoring Systems (1), 2010)

Monitoring Affect States During Effortful Problem Solving Activities. - Sidney K. D'Mello; Blair Lehman; Natalie K. Person (Int. J. Artif. Intell. Educ., 2010)

Tutorial Dialog in Natural Language. - Andrew Olney; Arthur C. Graesser; Natalie K. Person (Advances in Intelligent Tutoring Systems, 2010)

Nonverbal Action Selection for Explanations Using an Enhanced Behavior Net. - Javier Snaider; Andrew Olney; Natalie K. Person (IVA, 2011)

Interactive Concept Maps and Learning Outcomes in Guru. - Natalie K. Person; Andrew Olney; Sidney K. D'Mello; Blair Lehman (FLAIRS, 2012)

How Do They Do It? Investigating Dialogue Moves within Dialogue Modes in Expert Human Tutoring. - Blair Lehman; Sidney K. D'Mello; Whitney L. Cade; Natalie K. Person (ITS, 2012)

Guru: A Computer Tutor That Models Expert Human Tutors. - Andrew Olney; Sidney K. D'Mello; Natalie K. Person; Whitney L. Cade; Patrick Hays; Claire Williams; Blair Lehman; Arthur C. Graesser (ITS, 2012)

Question Generation from Concept Maps. - Andrew McGregor Olney; Arthur C. Graesser; Natalie K. Person (Dialogue Discourse, 2012)

Efficacy of a Computer Tutor that Models Expert Human Tutors. - Andrew M. Olney; Sidney K. D'Mello; Natalie K. Person; Whitney L. Cade; Patrick Hays; Claire W. Dempsey; Blair Lehman; Betsy Williams; Art Graesser (AIED (5), 2025)