Grasping the complexity of UX in the Long-term in Interaction with Embodied Conversational Agents

Abstract: To comprehensively evaluate the experience of interaction between humans and ECAs (Embodied Conversational Agents), it is essential to consider a complex entanglement of dimensions that dynamically develop over time. This paper provides a review of the available methods to evaluate the human-ECAs interaction, and discusses the relation between this experience of use over time. The research was carried out through a systematic literature review, on 5 databases: Scopus, ACM, Web of Science, PubMed and IEEE Xplore. Findings reveal that over 147 publications on human-ECAS interaction, only 13 address the experience evaluation. Of these, only 3 face evaluate the user experience with ECAs over time. The majority of these evaluation methods concentrate on momentary experiences, neglecting the long-term perspective. The paper provides a map of methods to evaluate several user experience dimensions of interactions with ECAs, highlighting the importance to apply these methods not only on the momentary interaction but repeatedly over time.

Keywords: User Experience, User Experience Evaluation, Embodied Conversational Agents, Artificial Intelligence, longitudinal studies

DOI: 10.54941/ahfe1005836

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