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배드민턴 동호인들의 참여동기가 여가만족, 참여지속의도 및 행복감에 미치는 영향
정나라(Jeong, Na-ra),진승태(Chin, Seung-tae) 세계태권도문화학회 2021 세계태권도문화학회지 Vol.12 No.3
This study aims to investigate and verify the effect of participation motivation of badminton club members on leisure satisfaction, continuance intentions and happiness. this study conducted a survey targeting total 303 members of a badminton club and of the collected questionnaires, 301 sheets excepting 2 that answers are considered unreliable, untrustworthy or omitted were used as data. And SPSS 25.0 & AMOS 18.0 was used for data analysis. As for analysis methods, frequency analysis, confirmatory factor analysis, reliability analysis, simple regression analysis and multiple regression analysis were used for producing conclusions. First, participation motivation of badminton club members affects their leisure satisfaction. Second, participation motivation of badminton club members turned out to have an influence on their continuance intentions. Third, leisure satisfaction of badminton club members have an effect on continuance intentions, and lastly, participation motivation of badminton club members has a significant impact on their happiness.
정나라(Na Ra Jeong),김정희(Jeong-Hee Kim),한승원(Seung Won Han),김종철(Jong-Cheol Kim),김우영(Woo Young Kim) 인간식물환경학회 2021 인간식물환경학회지 Vol.24 No.4
Background and objective: To improve air quality, particulate matter (PM) can be reduced using green infrastructure. Therefore, in this study, we aimed to determine the particulate matter reduction potential of climbing plants used for green walls, an element of vertical green infrastructure. Methods: A sealed chamber with controlled environmental variables was used to assess the PM reduction level caused by climbing plants. PM concentration in the plant chamber was measured after two and four hours of PM exposure, and the reduction potential was assessed based on the leaf area. Results: Compared to the empty chamber (Control), the PM reduction speed per hour was higher in the plant chamber, which confirmed that climbing plants contribute to the reduction of PM in the air. The PM reduction speed immediately after exposure in the plant chamber was high, but this slowed over time. Additionally, PM has been continuously reduced in plants with large leaves. As a result of calculating the particulate matter reduction level based on leaf area, it was found that there was a difference by particle size. Actinidia arguta, Parthenocissus tricuspidata, Trachelospermum asiaticum, and Euonymus fortunei var. radicans showed a high reduction effect. The trichomes on the leaf surface of Trachelospermum asiaticum were found to affect PM reduction. Conclusion: PM adsorption on the leaf surface is an important factor in reducing its concentration. It was possible to compare different plants by quantifying the amount of PM reduction during a fixed time period. These results can be used as the basic data to select the plant species suitable for urban green walls in terms of PM reduction.