Nonverbal communication in virtual reality: Nodding as a social signal in virtual interactions

Aburumman, Nadine; Gillies, Marco; Ward, Jamie A. and Hamilton, Antonia F.de C.. 2022. Nonverbal communication in virtual reality: Nodding as a social signal in virtual interactions. International Journal of Human-Computer Studies, 164, 102819. ISSN 1071-5819 [Article]

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Abstract or Description

Nonverbal communication is an important part of human communication, including head nodding, eye gaze, proximity and body orientation. Recent research has identified specific patterns of head nodding linked to conversation, namely mimicry of head movements at 600 ms delay and fast nodding when listening. In this paper, we implemented these head nodding behaviour rules in virtual humans, and we tested the impact of these behaviours, and whether they lead to increases in trust and liking towards the virtual humans. We use Virtual Reality technology to simulate a face-to-face conversation, as VR provides a high level of immersiveness and social presence, very similar to face-to-face interaction. We then conducted a study with human-subject participants, where the participants took part in conversations with two virtual humans and then rated the virtual character social characteristics, and completed an evaluation of their implicit trust in the virtual human. Results showed more liking for and more trust in the virtual human whose nodding behaviour was driven by realistic behaviour rules. This supports the psychological models of nodding and advances our ability to build realistic virtual humans.

Item Type:

Article

Identification Number (DOI):

https://doi.org/10.1016/j.ijhcs.2022.102819

Additional Information:

Antonia F de C Hamilton acknowledges financial support from the Leverhulme Trust under the grant code RPG-2016-251.

Keywords:

Virtual reality, Social interactions, Nonverbal communication, Head nodding

Departments, Centres and Research Units:

Computing

Dates:

DateEvent
21 March 2022Accepted
4 April 2022Published Online
August 2022Published

Item ID:

31730

Date Deposited:

22 Apr 2022 15:11

Last Modified:

23 Apr 2022 17:00

Peer Reviewed:

Yes, this version has been peer-reviewed.

URI:

https://research.gold.ac.uk/id/eprint/31730

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