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Yeonsook Lee 한국유통과학회 2019 The Journal of Industrial Distribution & Business( Vol.10 No.3
Purpose - This study is to clarify the structural relationship between the direct supervisor and organizational commitment and organizational citizenship behavior through mediation of the Leader-member exchange (LMX) in the hospital organization, and to confirm the mediating effect of the LMX. Through this study, we will provide basic data on the aspects of HR to enhance organizational immersion and organizational civic behavior in hospital organizations, and present suggestions on academic contribution and effective organizational operation measures. Research design, data, and methodology - This study is to investigate the relationship between authentic leadership and OC and OCB of the organization member, which is proposed to secure more active and high competitiveness in the recent changing medical environment, with multi-regression and B&K(1986) method. For this purpose, 653 employees of senior hospitals in Seoul and Kyeong-In area were surveyed using structured questionnaires. Each questionnaire was composed of 7-point scale, and each hypothesis was testified by multiple leaner regression and by BK method for testifying mediator effect. Result - As a result of the analysis, it was found that the male and non-medical staff had higher recognition level than the medical staff in the LMX, organizational commitment and organizational citizenship behavior. In the senior management or more than 5 years’ experience group, organizational commitment and organizational citizenship behavior were recognized higher than the group of subordinate managers. Second, authentic leadership has a positive influence on LMX, organizational commitment and organizational citizenship behavior, and LMX has a significant positive impact on organizational commitment and organizational citizenship behavior. In addition, as a result of analyzing LMX mediating effect in the relationship of authentic leadership and organizational effectiveness by BK method, LMX had partial mediating effects between authentic leadership and organizational citizenship behavior, and between authentic leadership and organizational commitment. Conclusion - Results of the study confirmed that all the members of the hospital organization that were lacking served as positive factors for the relationships of authentic leadership and LMX, and authentic leadership and organizational effectiveness. It is expected that the hospital organization will be able to suggest such as the organizational approach to expect high organizational effectiveness centering on authentic leadership ability as psychological capital.
자아존중감과 학교적응의 관계에서 또래 및 교사 애착의 매개효과와 초·중·고등학생의 집단 차이
이연숙(Lee, Yeonsook),박종효(Park, Jonghyo) 한국교육심리학회 2021 敎育心理硏究 Vol.35 No.1
본 연구의 목적은 자아존중감과 학교적응의 관계에서 또래애착과 교사애착의 매개효과를 동시에 검증하고 나아가 매개효과를 초·중·고등학생 집단별로 분석하여 차이가 있는지 확인하는 것이다. 이를 위해 사회연결망분석(social network analysis) 프로그램인 클래스넷(ClassNet)의 2019년 자료 중 초등학교 4학년부터 고등학교 3학년 남녀 학생 2,525명(남학생 52.6%, 여학생 47.4%)의 데이터를 활용하였다. 연구 결과 자아존중감, 학교적응, 교사애착, 또래애착의 구조적 관계 간에 유의한 정(+)적 영향이 나타났으나 매개효과에서는 교사애착의 매개효과만 통계적으로 유의했다. 다집단 분석 결과 교사 애착의 매개효과는 모든 학교급에서 유의하나 또래 애착의 매개효과는 초등학생 집단에서만 유의했다. 연구결과를 바탕으로 학교적응을 높이기 위해서는 자아존중감을 높이는 개입이 중요하며, 또래 애착과 교사애착의 매개과정에 대해서도 살펴볼 필요가 있었다. 초등학생의 경우 교사애착과 또래애착을 모두 높여 학교적응을 높일 수 있으며 중고등학생은 학교적응을 높이기 위해 교사와의 긍정적인 애착을 높여 상호 작용하는 과정이 중요한 요인임을 제시하였다. This study verified the mediating effect of peer and teacher attachment on the relationship between self-esteem and school adjustment by school level (elementary, middle, and high). Data from 2,525 students (52.6% male, 47.4% female) between the 4th grade of elementary school and the 3rd grade of high school was obtained from ClassNet, a social network analysis program. Results revealed a significant positive effect in the structural relationships between self-esteem, school adjustment, teacher attachment, and peer attachment, but only teacher attachment was a statistically significant mediator. A multi-group analysis showed that the mediating effect of teacher attachment was significant at all school levels, while the mediating effect of peer attachment was significant only at the elementary level. Based on these results, interventions to increase self-esteem and the mediating effect of peer and teacher attachment are both important for improving school adjustment. At the elementary level, school adjustment can be improved by increasing teacher and peer attachment; at the middle and high school level, increasing positive teacher attachment can improve school adjustment.
Categorized wetland preference and life forms of the vascular plants in the Korean Peninsula
Choung, Yeonsook,Min, Byeong Mee,Lee, Kyu Song,Cho, Kang-Hyun,Joo, Kwang Yeong,Hyun, Jin-Oh,Na, Hye Ryun,Oh, Hyun Kyung,Nam, Gi-Heum,Kim, Jin-Seok,Cho, Soyeon,Lee, Jongsung,Jung, Sangyeop,Lee, Jaeyeon The Ecological Society of Korea 2021 Journal of Ecology and Environment Vol.45 No.1
Background: In 2020, a categorized list of wetland preferences, major habitats, and life forms of 4145 vascular plant taxa occurring in the Korean Peninsula was published by the National Institute of Biological Resources. We analyzed the list and explored the distribution patterns of the five categorized groups according to wetland preference, along with the information on the major habitats and the life forms of the plants belonging to those categories. Results: Out of 4145 taxa, we found that 729 wetland plant taxa (18%) occur in Korea: 401 obligate wetland plants and 328 facultative wetland plants. Among the 729 wetland taxa, the majority (73%) was hygrophytes and the remaining 27% was aquatic macrophytes. Furthermore, almost all of the wetland taxa are herbs; so, woody plants are only 4.7%. The 16 carnivorous taxa distributed in Korea were characterized as obligate wetland plants. Conclusions: We expect the categorized information would promote understanding of the characteristics of the plant species and would be an important source for understanding, conservation, and restoration of wetland ecosystems.
Status of wetland vascular plant species in Korea
Choung, Yeonsook,Lee, Woo Tchul,Cho, Kang-Hyun,Joo, Kwang Yeong,Min, Byeong Mee,Hyun, Jin-Oh,Lee, Kyu Song,Lee, Kyungeun,Seo, Anna The Ecological Society of Korea 2015 Journal of Ecology and Environment Vol.38 No.4
We report the status of wetland vascular plant species in Korea including the whole peninsula and its adjacent islands. This analysis was based on database from our previous categorized list. In all, 4,050 taxa have been reported, including 3,769 native and 281 naturalized. Of these, 479 taxa (12%) are considered as wetland vascular indicator species: 240 obligate wetland plants (OBW) and 239 facultative upland plants (FACW). Approximately 31% of those 479 taxa, i.e., 149 taxa, are labelled as aquatic macrophytes. Wetland plants, mostly herbaceous but some woody, inhabit aquatic bodies and wet meadows. Except for two OBW and six FACW taxa, the rest of the plants are summer-green only. The information provided here is valuable for making assessments of wetland ecosystem health, as well as for developing management plans to preserve and restore wetlands and their resident plant species while also creating artificial wetland environments.