Abstract for Deictic and Emotive Communication in Animated Pedagogical Agents
Embodied Conversational Agents, 2000

      Lifelike animated agents for knowledge-based learning environments can provide timely, customized advice to support students' problem solving. Because of their strong visual presence, they hold significant promise for substantially increasing students' enjoyment of their learning experiences. Two key problems posed by lifelike agents that inhabit artificial worlds are deictic believability and emotive believability. To address these issues, we have developed the spatial deixis framework for achieving deictic believability and the emotive-kinesthetic behavior sequencing framework for dynamically sequencing lifelike pedagogical agents' full-body emotive expression. These frameworks have been implemented in a lifelike pedagogical agent, Cosmo, who exhibits deictic and full-body emotive behaviors in response to learners' problem-solving activities.




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