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Construction of the Virtual Embodiment Questionnaire (VEQ)
IEEE Transactions on Visualization and Computer Graphics
|September 17, 2020
Summary
Researchers developed the Virtual Embodiment Questionnaire (VEQ) to measure virtual body ownership, agency, and body schema changes in virtual reality (VR) applications.
Area of Science:
- Virtual Reality
- Human-Computer Interaction
- Psychology
Background:
- User embodiment is crucial for virtual reality (VR) applications in social interaction, therapy, training, and entertainment.
- Existing methods lack a data-driven, validated instrument to empirically measure perceptual aspects of embodiment.
- Reliable evaluation of virtual embodiment is essential for advancing VR technology.
Purpose of the Study:
- To develop and validate a reliable instrument for assessing virtual embodiment.
- To provide a data-driven method for measuring key components of virtual embodiment.
- To introduce the Virtual Embodiment Questionnaire (VEQ).
Main Methods:
- Literature review to identify relevant constructs and questionnaire items.
- Confirmatory factor analysis (CFA) on data from three experiments (N=196).
- A fourth study (N=22) assessed scale reliability and validity, examining latency and jitter effects.
Main Results:
- Confirmatory factor analysis confirmed three factors: virtual body ownership, agency, and perceived body schema change.
- The Virtual Embodiment Questionnaire (VEQ) demonstrated reliability and validity.
- The study identified key perceptual components of virtual embodiment.
Conclusions:
- The Virtual Embodiment Questionnaire (VEQ) offers a reliable and consistent method for assessing virtual embodiment.
- This validated instrument is crucial for empirical research and development in virtual reality.
- Understanding virtual embodiment enhances the design and effectiveness of VR experiences.
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