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Effects of Reading Text on an Optical See-Through Head-Mounted Display During Treadmill Walking in a Virtual Environment.

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Title: Effects of Reading Text on an Optical See-Through Head-Mounted Display During Treadmill Walking in a Virtual Environment.
Authors: Wang, Chao-Hung (AUTHOR), Chang, Chien-Chi (AUTHOR), Hsiao, Chih-Yu (AUTHOR), Ho, Meng-Chuan (AUTHOR)
Source: International Journal of Human-Computer Interaction. May2024, Vol. 40 Issue 9, p2225-2238. 14p.
Subjects: Optical head-mounted displays, Virtual reality, Head-mounted displays, Treadmills, Situational awareness, Projection screens
Abstract: This study evaluated the effects of reading text on an optical see-through head-mounted display during treadmill walking in a virtual environment. Thirty participants were recruited to perform Chinese reading tasks by reading six types of text layouts in two polarity settings. A virtual environment was displayed on a projection screen to simulate a walking situation in which obstacles were encountered. High- and low-density obstacles were applied. Objective measures included reading performance, gait variability, and the error count of obstacles. The subjective measures were the situational awareness rating technique (SART) and NASA-Task Load Index (NASA-TLX) scores. The results indicated that font size and polarity affected the gait variability, reading performance, situational awareness, and mental workload ratings. The obstacle density affects gait variability and situation awareness rating. The layout with 32-point text and positive polarity yielded faster reading speed, better subjective ratings, and less variability in minimum foot clearance. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Human-Computer Interaction is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Label: Title
  Group: Ti
  Data: Effects of Reading Text on an Optical See-Through Head-Mounted Display During Treadmill Walking in a Virtual Environment.
– Name: Author
  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Wang%2C+Chao-Hung%22">Wang, Chao-Hung</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chang%2C+Chien-Chi%22">Chang, Chien-Chi</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hsiao%2C+Chih-Yu%22">Hsiao, Chih-Yu</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ho%2C+Meng-Chuan%22">Ho, Meng-Chuan</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Human-Computer+Interaction%22">International Journal of Human-Computer Interaction</searchLink>. May2024, Vol. 40 Issue 9, p2225-2238. 14p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Optical+head-mounted+displays%22">Optical head-mounted displays</searchLink><br /><searchLink fieldCode="DE" term="%22Virtual+reality%22">Virtual reality</searchLink><br /><searchLink fieldCode="DE" term="%22Head-mounted+displays%22">Head-mounted displays</searchLink><br /><searchLink fieldCode="DE" term="%22Treadmills%22">Treadmills</searchLink><br /><searchLink fieldCode="DE" term="%22Situational+awareness%22">Situational awareness</searchLink><br /><searchLink fieldCode="DE" term="%22Projection+screens%22">Projection screens</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This study evaluated the effects of reading text on an optical see-through head-mounted display during treadmill walking in a virtual environment. Thirty participants were recruited to perform Chinese reading tasks by reading six types of text layouts in two polarity settings. A virtual environment was displayed on a projection screen to simulate a walking situation in which obstacles were encountered. High- and low-density obstacles were applied. Objective measures included reading performance, gait variability, and the error count of obstacles. The subjective measures were the situational awareness rating technique (SART) and NASA-Task Load Index (NASA-TLX) scores. The results indicated that font size and polarity affected the gait variability, reading performance, situational awareness, and mental workload ratings. The obstacle density affects gait variability and situation awareness rating. The layout with 32-point text and positive polarity yielded faster reading speed, better subjective ratings, and less variability in minimum foot clearance. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of International Journal of Human-Computer Interaction is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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      – Type: doi
        Value: 10.1080/10447318.2022.2154891
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      – Code: eng
        Text: English
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        PageCount: 14
        StartPage: 2225
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      – SubjectFull: Optical head-mounted displays
        Type: general
      – SubjectFull: Virtual reality
        Type: general
      – SubjectFull: Head-mounted displays
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      – SubjectFull: Treadmills
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      – SubjectFull: Situational awareness
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      – SubjectFull: Projection screens
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      – TitleFull: Effects of Reading Text on an Optical See-Through Head-Mounted Display During Treadmill Walking in a Virtual Environment.
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            NameFull: Wang, Chao-Hung
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            NameFull: Chang, Chien-Chi
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            NameFull: Hsiao, Chih-Yu
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            NameFull: Ho, Meng-Chuan
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            – D: 01
              M: 05
              Text: May2024
              Type: published
              Y: 2024
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            – TitleFull: International Journal of Human-Computer Interaction
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