http://orcid.org/0000-0002-5264-6941
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ABSTRACT
Virtual reality (VR) devices have recently become popular; however, research on input methods for VR devices is lacking. The main input methods of current commercial devices can be classified into two categories: manual selection using a controller and gaze selection. This study aims to derive the optimal input method and timing for VR devices by analyzing the performance of these input methods. A study is conducted in which participants wear a VR headset and select an activated input button from a 3 × 3 array on a VR device with two button sizes and two input methods. The manual selection method exhibits a shorter task completion time but a greater error number compared to the gaze selection method. For the gaze selection method, the task completion time and target search time were shortest when the gaze timing was 1 s. Further, the button size was determined to be statistically significant only when the manual selection method was used. The results of this study can be used as a reference in future VR user experience and product design.
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Notes on contributors
Mungyeong Choe
Mungyeong Choe is an M.S. candidate in Industrial and Management Engineering at Incheon National University. Her research interests include human-computer interaction, virtual reality, and eye tracking.
Yeongcheol Choi
Yeongcheol Choi received a B.S. degree in Industrial and Management Engineering from Incheon National University.
Jaehyun Park
Jaehyun Park is is an Assistant Professor in the Department of Industrial and Management Engineering at Incheon National University (INU). He received B.S degree and Ph.D degree in Industrial and Management Engineering from POSTECH (Pohang University of Science and Technology). His research interests are human-computer interaction (HCI), user experience (UX) and user value (UV).
Hyun K. Kim
Hyun K. Kim is a senior UX designer in Samsung Electronics currently. She received B.S degree and Ph.D degree in Industrial and Management Engineering from POSTECH (Pohang University of Science and Technology). Her research interests are human-computer system, user experience and accessibility.