Myung-kyu Jung

Prof. Myung-kyu Jung

orcid

Research Focus & Metrics

Academic Career Length

5Years (2022-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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7 April 2022 in Sustainability
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Journal Article
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JSJeongmyeong Song
Jeongmyeong Song
MJMyung-kyu Jung
Myung-kyu Jung
KPKwangho Park
Kwangho Park
HYHo Yeol Yu
Ho Yeol Yu
Understanding the effect of risk factors on tourists’ hesitation in choosing a destination is vital for successful management in tourism, especially in the pandemic era. Based on protection motivation theory, this study investigated the impact of sport tourists’ perceived risk associated with COVID-19 on their hesitation to choose a tourist destination in the context of water sport tourism. Further, we examined whether the relationship changes according to the levels of tourists’ destination image. Data from a survey of water sport tourists (n = 312) were analyzed using structural equation modeling and Hayes PROCESS macro with bootstrapping procedures. Findings of this research empirically demonstrated that risk factors influence hesitation in choosing a destination. Furthermore, the moderating effect of destination image on the influences of perceived risks on hesitation was identified. The study’s theoretical and practical contributions to the sport tourism literature are also discussed.

6 August 2025 in Frontiers in Psychology
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Journal Article
Open access
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TJTae Gyeom Jung
Tae Gyeom Jung
MJMyung-kyu Jung
Myung-kyu Jung
JLJi Hae Lee
Ji Hae Lee
MKMin Jun Kim
Min Jun Kim
Introduction: This study investigated the structural relationships among peer relationships, exercise participation satisfaction, exercise commitment, and exercise adherence intention in the context of Korean adolescents participating in school sports clubs. The aim was to provide empirical insights that can inform strategies to promote sustained participation in physical activity.Methods: This study collected data from 245 middle school students in South Korea who were either currently participating in or had previous experience with school sports clubs, using a snowball sampling method. The data collection process was conducted with prior approval from the Institutional Review Board (IRB), and informed consent was obtained from both the participants and their legal guardians. The collected data were analyzed using frequency analysis, descriptive statistics, confirmatory factor analysis (CFA), reliability analysis, correlation analysis, and structural equation modeling (SEM).Results: The results indicated that peer relationships, exercise participation satisfaction, and exercise commitment significantly influenced exercise adherence intention. Peer relationships had a direct effect on both exercise participation satisfaction and exercise commitment, and an indirect effect on exercise adherence intention through these mediating variables.Discussion: These findings highlight the importance of developing intervention strategies that foster positive emotional experiences—particularly satisfaction and commitment—arising from peer relationships. Such strategies may be critical for encouraging long-term engagement in school-based sports programs among adolescents.

20 April 2026 in Sustainability
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Journal Article
Open access
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MJMyung-kyu Jung
Myung-kyu Jung
MKMin-Jun Kim
Min-Jun Kim
DLDong Geon Lee
Dong Geon Lee
Kwon-Hyuk JeongKwon-Hyuk Jeong
Kwon-Hyuk Jeong
Based on an extended Theory of Planned Behavior (ETPB), this study investigated how perceived social sustainability shaped individuals’ intentions to use fitness facilities. Specifically, it examined the moderating role of social sustainability in the relationships between key TPB determinants and fitness facility use intention. Survey data were collected from 195 adults living in metropolitan areas and were analyzed using partial least squares structural equation modeling (PLS-SEM). The results revealed that perceived social sustainability exerted a dual moderating influence on intention formation by strengthening the effect of subjective norm while attenuating the effect of perceived behavioral control on use intention. Higher levels of perceived social sustainability (SS) strengthened the relationship between subjective norm (SN) and fitness facility use intention with a medium effect size, while attenuating the relationship between perceived behavioral control (PBC) and use intention with a small effect size. In contrast, no significant moderating effect was observed in the relationship between attitude and use intention. These findings suggest that value-oriented considerations related to social responsibility and community well-being enhanced socially driven motivations while reducing the relative influence of control-based factors. By demonstrating the conditional effects of perceived social sustainability within the TPB framework, this study extended existing research on health-related behavioral intentions. The findings further highlight the importance of incorporating community-oriented and socially responsible practices into fitness facility management to foster sustainable user engagement.

18 December 2023 in Preprints.org
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Preprint
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태정태겸 정
태겸 정
MJMyung-kyu Jung
Myung-kyu Jung
JLJi Hae Lee
Ji Hae Lee
Introduction: This study explored the structural relationship between peer relations, exercise participation satisfaction, exercise commitment, and adherence to intention to exercise among Korean sports club participants. The objective was to offer insights that can enhance intentions for continuous exercise participation. Methods: To fulfill this objective, data were gathered using snowball sampling from teenagers at middle schools in Seoul and Gyeonggi, South Korea, who either currently participate in school sports clubs or have participated in the past. A total of 261 responses were analyzed using frequency, technical statistics, and confirmatory factor, reliability, correlation, and structural equation model analyses. Results: Through these analyses, this study found that peer relationships, exercise participation satisfaction, and exercise commitment were significant as both direct and indirect influences on exercise adherence intentions. Discussion: Intervention strategies should focus on fostering the positive emotions that stem from peer relationships.