Exploring the Effects of Virtual Agents’ Smiles on Human-Agent Interaction: A Mixed-Methods Study

Artificial agents’ smiling behaviour is likely to influence their likeability and the quality of user experience. While studies of human interaction highlight the importance of smile dynamics, this feature is often lacking in artificial agents, presenting a design opportunity. We developed a virtual motivational therapist with four smiling behaviours, varying in terms of quality and dynamism . We ...