Journal
VIRTUAL, AUGMENTED AND MIXED REALITY: DESIGN AND DEVELOPMENT, PT I
Volume 13317, Issue -, Pages 357-368Publisher
SPRINGER INTERNATIONAL PUBLISHING AG
DOI: 10.1007/978-3-031-05939-1_24
Keywords
Human factors; Mixed reality; Mixed reality headset; Microsoft HoloLens 2; Text input
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The study evaluated the performance of one-handed and two-handed text entry on the Microsoft HoloLens 2 device in terms of speed, accuracy, usability, mental workload, and physical exertion. Findings suggest that two-handed input is faster and more preferred, but less accurate.
The Microsoft HoloLens 2 is a mixed reality (MR) headset that overlays virtual elements atop a user's view of their physical environment. To input text, the device has the ability to track hands and fingers, allowing for direct interaction with a virtual keyboard. This is an improvement over the HoloLens 1 device, which required head tracking and single-finger air-tapping input. The present study evaluated the performance (speed and accuracy), perceived usability, mental workload, and physical exertion of one-handed and two-handed text entry. A sample of 21 participants (12 male, 9 female) aged 1832 years typed standardized phrases presented in random order. Typing with two hands was faster and more preferred than one-handed input; however, this input method was also less accurate. Exertion in some body parts was also higher in the two-handed condition. Findings suggest that while two-handed text input was better than one-handed, there is room for improvement to approximate typing on a physical or mobile device keyboard.
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