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The Role of Choice and Customization on Users' Interaction with Embodied Conversational Agents: Effects on Perception and Performance by Jun Xiao; John Stasko; Richard Catrambone is a scholarly article available to read on EtoBox.

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We performed an empirical study exploring people's interactions with an embodied conversational agent (ECA) while performing two tasks. Conditions varied with respect to 1) whether participants were allowed to choose an agent and its characteristics and 2) the putative quality or appropriateness of the agent for the tasks. For both tasks, selection combined with the illusion of further customization significantly improved participants' overall subjective impressions of the ECAs while putative quality had little or no effect. Additionally, performance data revealed that the ECA's motivation and persuasion effects were significantly enhanced when participants chose agents to use. We found that user expectations about and perceptions of the interaction between themselves and an ECA depended very much on the individual's preconceived notions and preferences of various ECA characteristics and might deviate greatly from the models that ECA designers intend to portray.

Author

Jun Xiao; John Stasko; Richard Catrambone

Publisher

ACM

Published

2007

Language

EN