Construction of a Validated Virtual Embodiment Questionnaire
Daniel Roth, Marc Erich Latoschik

TL;DR
This paper develops and validates the Virtual Embodiment Questionnaire (VEQ), a reliable tool to measure user perception of embodiment in VR, based on multiple experiments manipulating simulation properties.
Contribution
It introduces a validated questionnaire for virtual embodiment, identifying key factors and confirming its reliability through extensive experimental validation.
Findings
Three core factors of embodiment identified: ownership, agency, and body schema change.
The VEQ is reliable and valid across different VR simulation conditions.
Latency jitter impacts perceived embodiment, as measured by the VEQ.
Abstract
User embodiment is important for many virtual reality (VR) applications, for example, in the context of social interaction, therapy, training, or entertainment. However, there is no validated instrument to empirically measure the perception of embodiment, necessary to reliably evaluate this important quality of user experience (UX). To assess components of virtual embodiment in a valid, reliable, and consistent fashion, we develped a Virtual Embodiment Questionnaire (VEQ). We reviewed previous literature to identify applicable constructs and items, and performed a confirmatory factor analysis (CFA) on the data from three experiments (N = 196). Each experiment modified a distinct simulation property, namely, the level of immersion, the level of personalization, and the level of behavioral realism. The analysis confirmed three factors: (1) ownership of a virtual body, (2) agency over a…
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