Hideyuki Nakanishi
Katherine Isbister
ABSTRACT
We sought to create a social embodied conversational agent to support group interactions, using 'balance theory' from social science research on human-human relations. We conducted an experiment to evaluate the social ECA's effectiveness in a group situation, depending upon how strongly it mediated the conversation among group members. First, we confirmed that it could win favorable feelings from subjects by showing an agreeing attitude to them and, conversely, unfavorable feelings by showing a disagreeing attitude. Next, we validated balance theory as a rule governing both agent-human relations and human relations if the social ECA highly mediated the conversation. We found that the social ECA's effectiveness was very low if it did not control turn-taking, and if the human pair had a chance to converse extensively with one another. Conversation analysis corroborated these results.
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Index Terms
- Can software agents influence human relations?: balance theory in agent-mediated communities
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