The role of emotion in believable agents
Communications of the ACM
Intelligent Agents Who Wear Your Face: Users' Reactions to the Virtual Self
IVA '01 Proceedings of the Third International Workshop on Intelligent Virtual Agents
A framework for understanding trust factors in web-based health advice
International Journal of Human-Computer Studies
Affective affordances: Improving interface character engagement through interaction
International Journal of Human-Computer Studies - Human-computer interaction research in the managemant information systems discipline
User modeling and adaptation in health promotion dialogs with an animated character
Journal of Biomedical Informatics - Special issue: Dialog systems for health communications
Realism is not all! User engagement with task-related interface characters
Interacting with Computers
'It's just like you talk to a friend' relational agents for older adults
Interacting with Computers
Realism is not all! User engagement with task-related interface characters
Interacting with Computers
Engagement vs. Deceit: Virtual Humans with Human Autobiographies
IVA '09 Proceedings of the 9th International Conference on Intelligent Virtual Agents
Proceedings of the 9th International Conference on Autonomous Agents and Multiagent Systems: volume 1 - Volume 1
Challenges for virtual humans in human computing
ICMI'06/IJCAI'07 Proceedings of the ICMI 2006 and IJCAI 2007 international conference on Artifical intelligence for human computing
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In an experimental setting, we investigated whether body shape similarity between user and interface character affected involvement with, distance towards, as well as intentions to use the character in an e-health context. Users interacted with an interface character with the same (similar) or with a different (dissimilar) body shape as their own. Furthermore, the character’s body shape was negatively valenced (heavier than ideal) or positively valenced (same as ideal). In contrast to what one might expect from stereotype research, users perceived non-ideal (fatter) characters as more credible and trustworthy than ideal (slim) characters. Especially users similar in body shape to a non-ideal character felt the least distant towards fatter characters. These users also preferred to use relatively fat characters over slim characters. Considering the increasing amount of overweight people in society, it seems most effective to design interface characters with bodies fatter than in current e-health applications, which often feature slim characters.