• David G. Cooper, Ivon Arroyo, Beverly Park Woolf, Kasia Muldner,
  Winslow Burleson, and Robert Christopherson Sensors Model Student Self Concept in the
  Classroom
• Ivon ARROYO, Kasia MULDNER, Winslow BURLESON, Beverly WOOLF,
  and David COOPER Designing Affective Support to Foster Learning, Motivation and Attribution
• Arroyo, I., Woolf, B.P., Royer, J.M., Tai, M. (2009) Affective Gendered Learning Companion, International Conference on Artificial Intelligence and Education, Brighton, England, IOS Press Affective Gendered Learning Companions
• Toby Dragon, Ivon Arroyo, Beverly P. Woolf, Winslow Burleson,
  Rana el Kaliouby, Hoda Eydgahi Viewing Student Affect and Learning through Classroom Observation and Physical Sensors
• Beverly Woolf, Winslow Burleson, Ivon Arroyo,Toby Dragon, David Cooper, Rosalind Picard Affect-Aware Tutors: Recognizing and Responding to Student Affect Submitted to special issue on Modeling and Scaffolding Affective Experiences To Impact Learning,International Journal of Learning Technology edited by Rana el Kaliouby and Scotty Craig
• Ivon ARROYO, Kimberly FERGUSON, Jeff JOHNS, Toby DRAGON, Hasmik MEHERANIAN, Don FISHER, Andrew BARTO, Sridhar MAHADEVAN, Beverly P. WOOLF Repairing Disengagement with Non-Invasive Interventions
• Kimberly Ferguson, Ivon Arroyo, Sridhar Mahadevan, Beverly Woolf, Andy Barto Improving Intelligent Tutoring Systems: Using Expectation Maximization To Learn Student Skill Levels
• Beverly Park Woolf, Ivon Arroyo, Carole Beal, Tom Murray Gender and Cognitive Differences in Help Effectiveness in Problem Solving
• Jeff Johns, Anders Johnson, Hasmik Mehranian, Ivon Arroyo, Beverly Woolf, Andrew Barto, Donald Fisher, Sridhar Mahadevan Evaluating the Feasibilitiy of Learning Student Models from Data
• Arroyo, I., Ferguson, K., Johns, J., Dragon, T., Meheranian, H., Fisher, D., Barto, A., Mahadevan, S., Woolf, B.P. (2007) Repairing Disengagement with Non-Invasive Interventions. To appear in Proceedings of the 13th International Conference of Artificial Intelligence in Education. IOS Press.
• Beal, C. R., Walles, R., Arroyo, I., & Woolf, B. P. (2007). On-line tutoring for math achievement testing: A controlled evaluation. Journal of Interactive Online Learning, 6 (1), 43-55.
• Arroyo, I., Woolf, B., Beal, C.R. (2006). Addressing Cognitive Differences and Gender During Problem Solving. International Journal of Technology, Instruction, Cognition and Learning. Vol. 4, pp. 31-63.
• Ferguson, K., Arroyo, I., Mahadevan, S, Woolf, B., Barto, A. Improving Intelligent Tutoring Systems: Using Expectation Maximization To Learn Student Skill Levels. Proceedings of the Intelligent Tutoring Systems, Taiwan, June, 2006.
• Anders Jonsson, Jeff Johns, Hasmik Mehranian, Ivon Arroyo, Beverly Woolf, Andrew Barto, Donald Fisher, Sridhar Mahadevan (2005). Evaluating the Feasibility of Learning Student Models from Data . AAAI Workshop on Educational Data Mining, Pittsburgh, PA, 2005.
• Ivon Arroyo, Beverly Woolf (2005). Inferring learning and attitudes from a Bayesian Network of log file data Proceedings of the 12th International Conference on Artificial Intelligence in Education. Amsterdam, 2005.
• Arroyo, I., Beal, C. R., Murray, T., Walles, R., Woolf, B. P. (2004). Web-Based Intelligent Multimedia Tutoring for High Stakes Achievement Tests. 468-477. James C. Lester, Rosa Maria Vicari, Fábio Paraguaçu (Eds.): Intelligent Tutoring Systems, 7th International Conference, ITS 2004, Maceiò, Alagoas, Brazil, Proceedings. Lecture Notes in Computer Science 3220. Springer 2004.
• Arroyo, I., Murray, T., Woolf, B. P., Beal, C. R. (2004). Inferring Unobservable Learning Variables from Students Help Seeking Behavior. James C. Lester, Rosa Maria Vicari, Fábio Paraguaçu (Eds.): Intelligent Tutoring Systems, 7th International Conference, ITS 2004, Maceiò, Alagoas, Brazil, Proceedings. Lecture Notes in Computer Science 3220 Springer 2004.
• Arroyo, I., Walles, R., Beal, C. R., Woolf, B. P. (2004). Effects of web-based tutoring software on students' math achievement. Americal Educational Research Association annual meeting. San Diego, CA.
• Arroyo, I., Woolf, B. P. (2003) Students in AWE: changing their role from consumers to producers of ITS content. Advanced Technologies for Mathematics Education Workshop. Supplementary Proceedings of the 11th International Conference on Artificial Intelligence in Education.
• Arroyo, I., Walles, R., Beal, C. R., Woolf, B. P. (2003) Tutoring for SAT-Math with Wayang Outpost. Advanced Technologies for Mathematics Education Workshop. Supplementary Proceedings of the 11th International Conference on Artificial Intelligence in Education.
• Arroyo, I., Beal, C. R., Bergman, A., Lindenmuth, M., Marshall, D., Woolf, B. P. (2003) Intelligent Tutoring for high-stakes achievement tests. Proceedings of the 11th International Conference on Artificial Intelligence in Education. IOS press.
• Arroyo, I., Murray, T., Woolf, B. P., Beal, C. R. (2003) Further results on gender and cognitive differences in help effectiveness. Proceedings of the 11th International Conference on Artificial Intelligence in Education. IOS press.
• Arroyo, I., Murray, T., Beck, J. E., Woolf, B. P., Beal, C. R. (2003) A formative evaluation of Animalwatch. Proceedings of the 11th International Conference on Artificial Intelligence in Education. IOS press.
• Beal, C. R., Arroyo, I., Royer, J. M., Woolf, B. P. (2003). Wayang Outpost: An intelligent multimedia tutor for high stakes math achievement tests. American Educational Research Association annual meeting, Chicago IL.
• Arroyo, I., Beck, J., Beal, C. R., Woolf, B. P. (2003, April). Learning within the Zone of Proximal Development with the AnimalWatch intelligent tutoring system. Accepted to the American Educational Research Association annual meeting, Chicago IL.
• Arroyo, I., Woolf, B. P. Improving student models by reasoning about cognitive ability, emotions and gender. Proceedings of the eighth International Conference in User Modeling. Sonthofen, Germany. July 2001. Published by Springer
• Arroyo, I., Conejo, R., Guzman, E., Woolf, B. P. An adaptive web-based component for cognitive ability estimation. Proceedings of the Tenth International Conference on Artificial Intelligence in Education. San Antonio, TX. May 2001. pp. 456-466. Published byIOS Press
• Arroyo, I., Schapira, A., Woolf, B. P. Authoring and sharing word problems with AWE (Animalwatch web-based environment). Proceedings of the Tenth International Conference on Artificial Intelligence in Education. San Antonio, TX. May 2001. pp. 527-529. Published byIOS Press
• Eliot, C., Woolf, B. P., Arroyo, I., Beck, J. E.. Software support for students with attention problems. Proceedings of the Tenth International Conference on Artificial Intelligence in Education. San Antonio, TX. May 2001. pp. 467-475. Published by IOS Press
• Arroyo, I., Beck, J. E., Beal, C. R., Rachel E. Wing, Woolf, B. P. Analyzing students' response to help provision in an elementary mathematics Intelligent Tutoring System .  Help Provision and Help Seeking in Interactive Learning Environments. Workshop at the Tenth International Conference on Artificial Intelligence in Education. San Antonio, TX. May 2001.
• Arroyo, I., Beck, J. E., Beverly Park Woolf, Beal, C. R., Klaus Schultz. Macroadapting Animalwatch to gender and cognitive differences with respect to hint interactivity and symbolism.   Proceedings of the Fifth International Conference on Intelligent Tutoring Systems.  Montreal, Canada. June 2000. pp. 574-583. Published by SpringerSpringer
• Beal, C. R., Woolf, B. P., Beck, J. E.,  Arroyo, I.,  Klaus Schultz, David M. Hart.  Gaining Confidence in Mathematics:  Instructional Technology for Girls.  In the of  Proceedings of International Conference on Mathematics/Science Education and Technology.  pp. 57-64. 2000.
• Beal, C. R., Woolf, B. P., Beck, J. E., and Arroyo, I.WhaleWatch: Promoting gender equity in mathematics instruction through educational technology.  Poster accepted for presentation at the European Cognitive Science Society annual meeting, Sienna Italy.  2000.
• Arroyo, I., Beck, J. E., Klaus Schultz, and Woolf, B. P. Piagetian Psychology in Intelligent Tutoring Systems.  In the Proceedings of the Ninth Artificial Intelligence in Education.  Le Mans, France. June 1999. pp. 600-602. Published by IOS Press
• Arroyo, I., Beck, J. E., Woolf, B. P., and Klaus Schultz.  A useful prediction variable for student models: Cognitive Development level.   Poster at the Seventh International Conference on User Modeling. Banff, Canada. 1999.
• David M. Hart, Arroyo, I., Beck, J. E., Beverly Park Woolf and Beal, C. R.  WhaleWatch:  An intelligent multimedia math tutor.  In the Proceedings of the International Conference on Mathematics/cience Education and Technology (M/SET99).  pp. 565-570. 1999.
• Beck, J. E., Arroyo, I., Woolf, B. P., and Carole R.Beal. An Ablative Evaluation.  In Proceedings of the Ninth International Conference on Artificial Intelligence in Education.  pp. 611-613. Le Mans, France. June 1999. Published by IOS Press