Ning Wang, W. Lewis Johnson, Paola Rizzo, Erin Shaw, Richard E. Mayer. Experimental evaluation of polite interaction tactics for pedagogical agents. In Robert St. Amant, John Riedl, Anthony Jameson, editors, Proceedings of the 2005 International Conference on Intelligent User Interfaces, January 10-13, 2005, San Diego, California, USA. pages 12-19, ACM, 2005. [doi]
Abstract is missing.