J. R. Anderson, A. T. Corbett, K. R. Koedinger, and R. Pelletier, Cognitive Tutors: Lessons Learned, Journal of the Learning Sciences, vol.21, issue.6, pp.167-207, 1995.
DOI : 10.1016/0364-0213(88)90023-7
URL : https://hal.archives-ouvertes.fr/hal-00699789

E. André, T. Rist, J. M. Müller, and G. Beekman, Integrating reactive and scripted behaviors in a life-like presentation agent Computer confluence, Proceedings of the Second International Conference on Autonomous Agents, pp.261-268, 1997.

B. S. Bloom, Taxonomy of educational objectives: The classification of educational goals. Handbook I: Cognitive domain The 2 sigma problem: The search for methods of group instruction as effective as one-to-one tutoring, pp.4-16, 1956.

J. D. Bransford, S. R. Goldman, N. J. Vye, N. Hillsdale, . Erlbaum et al., Making a difference in people's ability to think: Reflections on a decade of work and some hopes for the future Politeness: Some universals in language use The power of a nod and a glance: Envelope vs. emotional feedback in animated conversational agents, Influences on children, pp.147-180, 1987.

M. T. Chi, N. De-leeuw, M. Chiu, and C. Lavancher, Eliciting self-explanations improves understanding, Cognitive Science, vol.18, pp.439-477, 1994.

. Person, . Graesser, . Kreuz, . Pomeroy, M. T. The-tutoring-research-group-chi et al., Self-explanations: How students study and use examples in learning to solve problems, Cognitive Science, vol.13, pp.145-182, 1989.

P. A. Cohen, J. A. Kulik, and C. C. Kulik, Educational Outcomes of Tutoring: A Meta-analysis of Findings, American Educational Research Journal, vol.19, issue.2, pp.237-248, 1982.
DOI : 10.3102/00028312019002237

A. Collins, Teaching reasoning skills, Thinking and learning skills, pp.579-586, 1985.

A. Collins, J. S. Brown, and S. E. Newman, Cognitive apprenticeship: Teaching the craft of reading, writing, and mathematics Latent semantic analysis for text-based research, Knowing, learning, and instruction: Essays in honor of Robert Glaser Behavior Research Methods, Instruments, and Computers, pp.453-494, 1989.

P. W. Foltz, M. A. Britt, and C. A. Perfetti, Reasoning from multiple texts: An automatic analysis of readers' situation models The human tutorial dialog project, Proceedings of the 18th Annual Conference of the Cognitive Science Society, pp.110-115, 1993.

R. Freedman, Atlas: A plan manager for mixed-initiative, multimodal dialogue, p.99, 1999.

. Workshop-on-mixed-initiative-intelligence, . Orlando, and R. M. Gagné, The conditions of learning Question asking during tutoring, American Educational Research Journal, vol.31, pp.104-137, 1977.

A. C. Graesser, P. Wiemer-hastings, K. Wiemer-hastings, D. Harter, and N. Person, and the Tutoring Research Group (in press) Using latent semantic analysis to evaluate the contributions of students in AutoTutor. Interactive Learning Environment Logic and conversation, Syntax and semantics, pp.41-58, 1975.

H. P. Grice, Further Notes on Logic and Conversation, Syntax and semantics, pp.113-127, 1978.
DOI : 10.1017/CBO9780511814273.039

X. Hu, A. C. Graesser, . The-tutoring-research, and . Group, Using WordNet and latent semantic analysis to evaluate the conversational contributions of learners in the tutorial dialog, Proceedings of the International Conference on Computers in Education, pp.337-341, 1998.

G. D. Hume, J. A. Michael, A. Rovick, and M. W. Evens, Hinting as a Tactic in One-on-One Tutoring, Journal of the Learning Sciences, vol.263, issue.1, pp.23-47, 1996.
DOI : 10.1207/s15327809jls0501_2

B. Kosko, T. K. Landauer, S. T. Dumais, P. W. Foltz, and D. Laham, Neural networks and fuzzy systems A solution to Plato's problem: The latent semantic analysis theory of acquisition, induction, and representation of knowledge An introduction to latent semantic analysis, Discourse Processes, pp.259-284, 1992.

M. R. Lepper, L. G. Aspinwall, D. L. Mumme, and R. W. Chabay, Self-perception and social-perception processes in tutoring: Subtle social control strategies of expert tutors, 1990.

N. Hillsdale, . Erlbaum, A. Lesgold, S. Lajoie, M. Bunzo et al., Self-inference processes: The Ontario symposium SHERLOCK: A coached practice environment for an electronics troubleshooting job Tutoring techniques in algebra, Computerassisted instruction and intelligent tutoring systems, pp.217-237, 1990.

A. , A. Mehan, and H. , Delivering smooth tutorial dialog using a talking head Learning lessons: Social organization in the classroom, Proceedings of the Workshop on Embodied Conversation Characters, pp.31-38, 1979.

D. C. Merrill, B. J. Reiser, M. Ranney, and J. G. Trafton, Effective Tutoring Techniques: A Comparison of Human Tutors and Intelligent Tutoring Systems, Journal of the Learning Sciences, vol.1, issue.3, pp.277-305, 1992.
DOI : 10.1037//0022-0663.76.3.347

J. D. Moore, Participating in explanatory dialogues, 1995.

B. A. Olde, J. Hoeffner, P. Chipman, A. C. Graesser, . The-tutoring-research et al., A connectionist model for part of speech tagging Reciprocal teaching of comprehension-fostering and comprehension-monitoring activities, Proceedings of the American Association for Artificial Intelligence Cognition & Instruction, vol.1, pp.172-176, 1984.

N. K. Person, A. C. Graesser, J. P. Magliano, and R. J. Kreuz, Inferring what the student knows in one-to-one tutoring: The role of student questions and answers, Learning and Individual Differences, vol.6, issue.2, pp.205-234, 1994.
DOI : 10.1016/1041-6080(94)90010-8

N. K. Person, B. Klettke, K. Link, R. J. Kreuz, . K. The-tutoring-research-group et al., The integration of affective responses into AutoTutor Pragmatics and pedagogy: Conversational rules and politeness strategies may inhibit effective tutoring Evolution of discourse in cross-age tutoring, Proceeding of the International Workshop on Affect in Interactions, pp.167-178, 1995.

M. Wood, E. Woloshyn, V. E. Martin, V. King, A. Menk et al., Cognitive perspectives on peer learning Encouraging mindful use of prior knowledge: Attempting to construct explanatory answers facilitates learning, Educational Psychologist, vol.27, pp.69-86, 1992.

R. T. Putnam, Structuring and Adjusting Content for Students: A Study of Live and Simulated Tutoring of Addition, American Educational Research Journal, vol.24, issue.1, pp.13-48, 1987.
DOI : 10.3102/00028312024001013

C. P. Rose, D. Eugenio, B. Moore, J. D. Johnson, W. L. Ganeshan et al., A dialogue based tutoring system for basic electricity and electronics Artificial Intelligence in Education (Proceedings of AI-ED '99, Le Mans) (pp. 759?761) Amsterdam Pedagogical agents on the web Steps: A simulated, tutorable physics student, Proceedings of the Ninth International Conference on Artificial Intelligence, pp.405-437, 1995.

K. Vanlehn, K. Vanlehn, S. Ohlsson, and R. Nason, Mind bugs: The origins of procedural misconceptions Applications of simulated students: An exploration, Journal of Artificial Intelligence in Education, vol.5, issue.2, pp.135-175, 1990.

J. F. Wakefield, Educational psychology: Learning to be a problem solver, 1996.

N. M. Webb, J. D. Troper, and R. Fall, Constructive activity and learning in collaborative small groups., Journal of Educational Psychology, vol.87, issue.3, pp.406-423, 1995.
DOI : 10.1037/0022-0663.87.3.406

P. Wiemer-hastings, A. C. Graesser, D. Harter, . The-tutoring-research, and . Group, The foundations and architecture of AutoTutor, Proceedings of the 4th International Conference on Intelligent Tutoring Systems, pp.334-343, 1998.

P. Wiemer-hastings, K. Wiemer-hastings, and A. Graesser, Improving an intelligent tutor's comprehension of students with Latent Semantic Analysis, Artificial Intelligence in Education, pp.535-542, 1999.

Y. Zhou, R. Freedman, M. Glass, J. A. Michael, A. A. Rovick et al., Delivering hints in a dialogue-based intelligent tutoring system, Proceedings of the Sixteenth National Conference on Artificial Intelligence (AAAI '99), 1999.