Examining the Impacts of Dialogue Content and System Automation on Affect Models in a Spoken Tutorial Dialogue System Joanna Drummond author Diane Litman author 2011-06 text Proceedings of the SIGDIAL 2011 Conference Joyce Y Chai editor Johanna D Moore editor Rebecca J Passonneau editor David R Traum editor Association for Computational Linguistics Portland, Oregon conference publication drummond-litman-2011-examining https://aclanthology.org/W11-2036/ 2011-06 312 318