Hedonic vs Utilitarian No.7
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Title & Reference:
Chen, Y., Naveed, A., & Porzel, R. (2010, November). Behavior and preference in minimal personality: a study on embodied conversational agents. In International Conference on Multimodal Interfaces and the Workshop on Machine Learning for Multimodal Interaction (p. 49). ACM.
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Objective:
- Designing one personality in an ECA to fit all kinds of human factors is quite hard.
- Our goal is not to design two perfectly adequate personalities of ECAs, but to find principles for designing more or less extroverted agents, with the goal to improve the user-satisfaction.
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Agent Type: Wizard of Oz. 3D simple humanoid body
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Theme of conversation (domain): domain of studying digital media in the University of Bremen.
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Memo:
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the results significantly show that users talk more and have less speech disfluency when interacting with the extroverted agent.
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a difference in the mental models of computer experts versus non-computer experts
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Extrovert speaking style: extrovert language converses less formally / taking the lead in a conversation is construed as a sign of an extroverted personality
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extroverted agent having larger and faster movements in its nonverbal behavior style.
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feedback signals, namely, the human expressions during the dialogues. We used both verbal modalities as the utterance “hmm”
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agent’s competence, credibility, speaking style, behavior, etc., of the extroverted agent were scored higher than the introverted agent
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users were more talkative while interacting with the extroverted agent
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the mental models concerning ECAs of humans can be assumed to be different in various professional or cultural backgrounds
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computer experts chose more simple words than non-computer experts did
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the extroverted agent reduced users’ speech disfluency, manifested by hesitations, such as “um” or “uh”, in the utterance. Users in extroverted agent group spoke slower.
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people prefer a personality which similar to themselves over different ones
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