Effects of variation in system responsiveness on user performance in virtual environments
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866911074279751680 |
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| author | Watson, Benjamin Walker, Neff Ribarsky, William Spaulding, Victoria |
| author_facet | Watson, Benjamin Walker, Neff Ribarsky, William Spaulding, Victoria |
| contents | System responsiveness (SR) is defined as the elapsed time until a system responds to user control. SR fluctuates over time, so it must be described statistically with mean (MSR) and standard deviation (SDSR). In this paper, we examine SR in virtual environments (VEs), outlining its components and methods of experimental measurement and manipulation. Three studies of MSR and SDSR effects on performance of grasp and placement tasks are then presented. The studies used within-subjects designs with 11, 12, and 10 participants, respectively. Results showed that SDSR affected performance only if it was above 82 ms. Placement required more frequent visual feedback and was more sensitive to SR. We infer that VE designers need not tightly control SDSR and may wish to vary SR control based on required visual feedback frequency. These results may be used to improve the human-computer interface in a wide range of interactive graphical applications, including scientific visualization, training, mental health, and entertainment. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_18085 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Effects of variation in system responsiveness on user performance in virtual environments Watson, Benjamin Walker, Neff Ribarsky, William Spaulding, Victoria Human-Computer Interaction Emerging Technologies System responsiveness (SR) is defined as the elapsed time until a system responds to user control. SR fluctuates over time, so it must be described statistically with mean (MSR) and standard deviation (SDSR). In this paper, we examine SR in virtual environments (VEs), outlining its components and methods of experimental measurement and manipulation. Three studies of MSR and SDSR effects on performance of grasp and placement tasks are then presented. The studies used within-subjects designs with 11, 12, and 10 participants, respectively. Results showed that SDSR affected performance only if it was above 82 ms. Placement required more frequent visual feedback and was more sensitive to SR. We infer that VE designers need not tightly control SDSR and may wish to vary SR control based on required visual feedback frequency. These results may be used to improve the human-computer interface in a wide range of interactive graphical applications, including scientific visualization, training, mental health, and entertainment. |
| title | Effects of variation in system responsiveness on user performance in virtual environments |
| topic | Human-Computer Interaction Emerging Technologies |
| url | https://arxiv.org/abs/2507.18085 |