研究目的
To test different 3D display technologies in a hands-on virtual experiential learning environment (VELE) and determine the optimal 3D display technology.
研究成果
Different display technologies significantly affected users’ visual comfort, interaction experience, learning experience, and outcome in hands-on experiential learning. VR HMD is the optimal 3D display technology in terms of hands-on virtual experiential learning: the VR HMD contributes to better visual comfort, interaction experience, learning experience, and outcome than 3D projection or AR HMD in the scenarios tested.
研究不足
The study conducted relatively short/fast-paced experiments, and the learning content simulated in the VELE is simple and the experience time is short. Whether the visual experience in the VR HMD mode will remain superior in complex missions and long-duration learning tasks cannot be concluded. The sample sizes are small, which may affect the reliability or stability of the outcomes.
1：Experimental Design and Method Selection:
A single-factor within-subject experimental design was adopted to test three types of 3D display technology: fully immersive VR mode (VR HMD), partially immersive VR mode (3D projection), and AR mode (AR HMD).
2：Sample Selection and Data Sources:
36 volunteers (15 males and 21 females; mean age,
3：00 ± 34) were recruited to participate in the experiment. List of Experimental Equipment and Materials:
VR HMD of HTC vive, 3D projection with active shutter 3D glasses, and AR HMD HoloLens.
4：Experimental Procedures and Operational Workflow:
Participants experienced the learning contents of two virtual learning scenes with the three display technologies one by one following a certain order.
5：Data Analysis Methods:
A series of repeated measurement ANOVAs were performed to explore the effect of different display technologies on visual comfort, interaction experience, learning experience, and outcome.
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