Immersion factors affecting perception and behaviour in a virtual reality power wheelchair simulator

Area of Science:

• Human-Computer Interaction
• Virtual Reality
• Driving Simulation

Background:

• Virtual Reality (VR) driving simulators are valuable tools for user training and assessment.
• Understanding design factors influencing user perception and behavior is crucial for effective VR simulator development.

Purpose of the Study:

• To identify and evaluate the impact of specific immersion factors on user perception and behavior in a power wheelchair VR simulator.
• To investigate how display type, field of view (FOV), and avatar visualization affect the sense of presence and driving performance.

Main Methods:

• A study was conducted with 72 participants using a power wheelchair VR simulator.
• Three immersion factors were manipulated: display type (head-mounted display vs. monitor), adjustable field of view (FOV), and user avatar visualization.
• Perceptual and behavioral measures were collected to assess the sense of presence and driving performance.

Main Results:

• All three investigated factors (display type, FOV, avatar visualization) significantly influenced participants' sense of presence in the virtual environment.
• Display type had a significant impact on both perceptual and behavioral outcomes.
• Adjustable field of view (FOV) primarily affected behavioral measures.

Conclusions:

• The findings provide valuable insights for designing VR simulators that can elicit specific user behaviors and perceptions.
• Display technology and field of view customization are key considerations for enhancing immersion and effectiveness in VR driving simulations.