Computers that care: investigating the effects of orientation of emotion exhibited by an embodied computer agent

Authors:
Scott Brave;Clifford Nass;Kevin Hutchinson
Affiliations:
Department of Communication, Stanford University, PO Box 19401, Stanford, CA;Department of Communication, Stanford University, Stanford, CA;Department of Communication, Stanford University, Stanford, CA
Venue:
International Journal of Human-Computer Studies - Special issue: Subtle expressivity for characters and robots
Year:
2005

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Abstract

Embodied computer agents are becoming an increasingly popular human-computer interaction technique. Often, these agents are programmed with the capacity for emotional expression. This paper investigates the psychological effects of emotion in agents upon users. In particular, two types of emotion were evaluated: self-oriented emotion and other-oriented, empathic emotion. In a 2 (self-oriented emotion: absent vs. present) by 2 (empathic emotion: absent vs. present) by 2 (gender dyad: male vs. female) between-subjects experiment (N = 96), empathic emotion was found to lead to more positive ratings of the agent by users, including greater likeability and trustworthiness, as well as greater perceived caring and felt support. No such effect was found for the presence of self-oriented emotion. Implications for the design of embodied computer agents are discussed and directions for future research suggested.