Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception

Background: We designed an exercise system in which the user is accompanied by a virtual partner (VP) and tested bodyweight squat performance with different interactive VP features to explore the comprehensive impact of these VP features on the individual’s exercise level (EL) and exercise perceptio...

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Main Authors: Yinghao Wang, Mengsi Zhang, Jianfeng Wu, Haonan Zhang, Hongchun Yang, Songyang Guo, Zishuo Lin, Chunfu Lu
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Behavioral Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-328X/13/5/434
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author Yinghao Wang
Mengsi Zhang
Jianfeng Wu
Haonan Zhang
Hongchun Yang
Songyang Guo
Zishuo Lin
Chunfu Lu
author_facet Yinghao Wang
Mengsi Zhang
Jianfeng Wu
Haonan Zhang
Hongchun Yang
Songyang Guo
Zishuo Lin
Chunfu Lu
author_sort Yinghao Wang
collection DOAJ
description Background: We designed an exercise system in which the user is accompanied by a virtual partner (VP) and tested bodyweight squat performance with different interactive VP features to explore the comprehensive impact of these VP features on the individual’s exercise level (EL) and exercise perception. Methods: This experiment used three interactive features of VP, including body movement (BM), eye gaze (EG), and sports performance (SP), as independent variables, and the exercise level (EL), subjective exercise enjoyment, attitude toward the team formed with the VP, and local muscle fatigue degree of the exerciser as observational indicators. We designed a 2 (with or without VP’s BM) × 2 (with or without VP’s EG) × 2 (with or without VP’s SP) within-participants factorial experiment. A total of 40 college students were invited to complete 320 groups of experiments. Results: (1) Regarding EL, the main effects of BM and SP were significant (<i>p</i> < 0.001). The pairwise interaction effects of the three independent variables on EL were all significant (<i>p</i> < 0.05). (2) Regarding exercise perception, the main effects of BM (<i>p</i> < 0.001) and EG (<i>p</i> < 0.001) on subjective exercise enjoyment were significant. The main effect of BM on the attitude toward the sports team formed with the VP was significant (<i>p</i> < 0.001). The interaction effect of BM and SP on the attitude toward the sports team formed with the VP was significant (<i>p</i> < 0.001). (3) Regarding the degree of local muscle fatigue, the main effects of BM, EG, and SP and their interaction effects were not significant (<i>p</i> > 0.05). Conclusion: BM and EG from the VP elevate EL and exercise perception during squat exercises, while the VP with SP inhibited the EL and harmed exercise perception. The conclusions of this study can provide references to guide the interactive design of VP-accompanied exercise systems.
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spelling doaj.art-1cbfa3fada6f4503bf110240fa1d41232023-11-18T00:30:15ZengMDPI AGBehavioral Sciences2076-328X2023-05-0113543410.3390/bs13050434Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise PerceptionYinghao Wang0Mengsi Zhang1Jianfeng Wu2Haonan Zhang3Hongchun Yang4Songyang Guo5Zishuo Lin6Chunfu Lu7Industrial Design and Research Institute, Zhejiang University of Technology, Hangzhou 310023, ChinaSchool of Design and Architecture, Zhejiang University of Technology, Hangzhou 310023, ChinaIndustrial Design and Research Institute, Zhejiang University of Technology, Hangzhou 310023, ChinaSchool of Design and Architecture, Zhejiang University of Technology, Hangzhou 310023, ChinaIndustrial Design and Research Institute, Zhejiang University of Technology, Hangzhou 310023, ChinaSchool of Design and Architecture, Zhejiang University of Technology, Hangzhou 310023, ChinaSchool of Design and Architecture, Zhejiang University of Technology, Hangzhou 310023, ChinaIndustrial Design and Research Institute, Zhejiang University of Technology, Hangzhou 310023, ChinaBackground: We designed an exercise system in which the user is accompanied by a virtual partner (VP) and tested bodyweight squat performance with different interactive VP features to explore the comprehensive impact of these VP features on the individual’s exercise level (EL) and exercise perception. Methods: This experiment used three interactive features of VP, including body movement (BM), eye gaze (EG), and sports performance (SP), as independent variables, and the exercise level (EL), subjective exercise enjoyment, attitude toward the team formed with the VP, and local muscle fatigue degree of the exerciser as observational indicators. We designed a 2 (with or without VP’s BM) × 2 (with or without VP’s EG) × 2 (with or without VP’s SP) within-participants factorial experiment. A total of 40 college students were invited to complete 320 groups of experiments. Results: (1) Regarding EL, the main effects of BM and SP were significant (<i>p</i> < 0.001). The pairwise interaction effects of the three independent variables on EL were all significant (<i>p</i> < 0.05). (2) Regarding exercise perception, the main effects of BM (<i>p</i> < 0.001) and EG (<i>p</i> < 0.001) on subjective exercise enjoyment were significant. The main effect of BM on the attitude toward the sports team formed with the VP was significant (<i>p</i> < 0.001). The interaction effect of BM and SP on the attitude toward the sports team formed with the VP was significant (<i>p</i> < 0.001). (3) Regarding the degree of local muscle fatigue, the main effects of BM, EG, and SP and their interaction effects were not significant (<i>p</i> > 0.05). Conclusion: BM and EG from the VP elevate EL and exercise perception during squat exercises, while the VP with SP inhibited the EL and harmed exercise perception. The conclusions of this study can provide references to guide the interactive design of VP-accompanied exercise systems.https://www.mdpi.com/2076-328X/13/5/434virtual partner (VP)interactive featureexercise level (EL)exercise perceptionhuman–computer interaction
spellingShingle Yinghao Wang
Mengsi Zhang
Jianfeng Wu
Haonan Zhang
Hongchun Yang
Songyang Guo
Zishuo Lin
Chunfu Lu
Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
Behavioral Sciences
virtual partner (VP)
interactive feature
exercise level (EL)
exercise perception
human–computer interaction
title Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
title_full Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
title_fullStr Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
title_full_unstemmed Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
title_short Effects of the Interactive Features of Virtual Partner on Individual Exercise Level and Exercise Perception
title_sort effects of the interactive features of virtual partner on individual exercise level and exercise perception
topic virtual partner (VP)
interactive feature
exercise level (EL)
exercise perception
human–computer interaction
url https://www.mdpi.com/2076-328X/13/5/434
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