Designing and evaluating conversational interfaces with animated characters
Embodied conversational agents
BEAT: the Behavior Expression Animation Toolkit
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Towards the design of multimodal interfaces for handheld conversational characters
CHI '02 Extended Abstracts on Human Factors in Computing Systems
Web credibility research: a method for online experiments and early study results
CHI '01 Extended Abstracts on Human Factors in Computing Systems
Establishing and maintaining long-term human-computer relationships
ACM Transactions on Computer-Human Interaction (TOCHI)
'It's just like you talk to a friend' relational agents for older adults
Interacting with Computers
Negotiating task interruptions with virtual agents for health behavior change
Proceedings of the 7th international joint conference on Autonomous agents and multiagent systems - Volume 3
Context awareness in a handheld exercise agent
Pervasive and Mobile Computing
Two Issues for an Ambient Reminding System: Context-Awareness and User Feedback
Proceedings of the 2007 conference on Advances in Ambient Intelligence
Persuasion, task interruption and health regimen adherence
PERSUASIVE'07 Proceedings of the 2nd international conference on Persuasive technology
What would jiminy cricket do? lessons from the first social wearable
OCSC'07 Proceedings of the 2nd international conference on Online communities and social computing
Leveraging large data sets for user requirements analysis
The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility
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In this paper we describe the design of a relational agent interface for handheld computers and the results of a study exploring the effectiveness of different user-agent interaction modalities. Four different agent output modalities-text only, static image plus text, animated, and animated plus nonverbal speech-are compared and their impact on the ability of the agent to establish a social bond with the user, the perceived credibility of information delivered, and user acceptance is evaluated. Subjects ranked the two animated versions of the system higher on all measures.