Abstract
Virtual reality (VR) applications are normally developed around the assumed body posture that maximizes the immersive experience. Users can, however, assume less optimal postures for reasons such as tiredness or body restrictions. We believe that accommodating such situations would increase the appeal and spread of VR.
We investigated the difference in VR user experience based on body posture by conducting a preliminary study and a user study. Our preliminary study with frequent VR users found that they adopt several postures and prefer to experience VR by sitting first, standing second, lying down third, then other postures. The most popular applications were VRChat, Beat Saber, then others. In our user study, the participants engaged in VR while adopting three different postures: standing upright, sitting on a chair, and lying down on a bean bag. Three VR applications were tested: Beat Saber, VRChat, and Youtube VR. The three postures yielded similar performance with Beat Saber. Lying down offered the slowest performance with VRChat. One reason for this is the difficulty of interacting with in-game objects in VRChat while lying down.
Our research shows the importance of VR application design as the developers must take into consideration extra factors. We suggest several solutions, such as having an adjustable virtual ground to accommodate the user’s height and posture in real life or designing a user interface such that users can interact with their VR environment no matter their posture.
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Koeshandika, E.S., Ishikawa, H., Manabe, H. (2023). Effects of Different Postures on User Experience in Virtual Reality. In: Stephanidis, C., Antona, M., Ntoa, S., Salvendy, G. (eds) HCI International 2023 Posters. HCII 2023. Communications in Computer and Information Science, vol 1836. Springer, Cham. https://doi.org/10.1007/978-3-031-36004-6_30
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DOI: https://doi.org/10.1007/978-3-031-36004-6_30
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