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Abstract

Virtual Humans (VHs) are rapidly emerging as key interfaces in Human-Computer Interaction (HCI) across domains such as education, healthcare, and customer services. While their technical capabilities continue to advance, a core challenge remains; designing VHs that meaningfully align with the expectations of diverse user groups. This study investigates how user age influences preferences for key VH attributes, including perceived agent age and emotional responsiveness. Based on responses from 773 participants aged 18 and above, we identify clear age-based differences in preferences for visual age and interactional expressiveness. Younger users tend to favour emotionally responsive, younger-looking VHs, while older users show preferences for mature agent personas. While context-specific VH preferences may vary, these findings reinforce the position that VH systems should, in general, incorporate adaptive, age-sensitive designs to promote inclusivity and adoption.
Original languageEnglish
Title of host publicationInternational Conference on Computer-Human Interaction Research and Applications
EditorsJosef F. Krems, Hugo Plácido da Silva, Pietro Cipresso
PublisherSpringer Nature
Pages538-550
Number of pages13
ISBN (Electronic)9783032164483
ISBN (Print)9783032164476
DOIs
Publication statusPublished - 19 May 2026

Publication series

NameCommunications in Computer and Information Science
PublisherSpringer
Volume2834
ISSN (Print)1865-0929
ISSN (Electronic)1865-0937

Bibliographical note

Copyright © 2026 The Author(s), under exclusive license to Springer Nature Switzerland AG. This version of the paper has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use [https://www.springernature.com/gp/open-science/policies/accepted-manuscript-terms], but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/978-3-032-16448-3_30

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • Human-computer interaction
  • User-centred interaction design
  • Virtual human personalisation
  • age-based customisation

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