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황은혜(Hwang, Eunhye),김보경(Kim, Bokyoung),김해린(Kim, Haerin) 한국재활간호학회 2013 재활간호학회지 Vol.16 No.2
Purpose: The purpose of this study is to examine adolescents’ knowledge and attitudes towards dementia and to provide basic data for educating about knowledge of dementia and strengthening positive attitudes towards dementia. Methods: This study used a descriptive research design. The subjects were 502 middle and high school students. A questionnaire organized by 16 questions of knowledge and 10 questions of attitudes towards dementia was used. Results: The subjects’ knowledge level of dementia was low, and average score was 8.89±2.95. The questions with low rate of correct answer were “Dementia is caused by several dozens of diseases such as internal medicine, neurology, psychiatry, etc.”, “In spite of the dementia, patients can enjoy their favorite things.” The subjects’ average score of attitudes towards dementia was 3.72±0.58. Questions of negative attitudes were “I don`t want to be closed to patients of dementia.”, “I watch information or prevention about dementia in mass communications media.” The relationship between dementia-related knowledge and attitudes showed positive correlation. Conclusion: The result means the mediation is necessary for improving dementia-related knowledge and strengthening positive attitudes in adolescents. The education programs should be proceeded to provide adolescents with correct information about dementia.
한국 다국적기업 해외자회사의 현지화 수준과 경영성과 - 산업별ㆍ국가별 성과요인 비교 분석
황은혜 ( Hwang Eunhye ),김동환 ( Kim Donghwan ),이홍식 ( Lee Hongshik ) 국제지역학회 2016 국제지역연구 Vol.20 No.3
본 논문은 한국 다국적 기업의 자료를 이용하여 해외직접투자에서 현지화가 자회사의 경영성과에 미치는 영향을 분석하고자 한다. 이를 위해 한국수출입은행에서 제공하는 61개 국가에 진출해있는 2,116개 한국 다국적기업의 현지자회사에 대한 2008년에서 2011년까지의 자료를 사용하고 있다. 고정효과 패널선형모형을 사용해 분석한 결과 현지화가 자회사의 경영성과에 미치는 영향은 산업별, 국가그룹별로 매우 상이하게 나타났다. 제조업의 경우 현지매출비중의 증가는 중국에 진출해 있는 현지자회사의 경영성과에만 긍정적인 영향을 미치는 반면, 현지매입비중의 증가는 중국을 제외한 기타 개도국에서만 유의하게 정(+)의 영향을 나타내는 것으로 분석되었다. 반면, 서비스업의 경우 해당 투자대상국이 선진국일 경우 현지매출비중, 현지매입비중, 현지관리자비중 모두 긍정적인 영향을 미치며, 중국의 자회사에 대해서는 현지매출비중만이 긍정적인 영향을 미치는 것으로 나타났다. In this study we analyze the performance of overseas subsidiaries of Korean multinationals with localization in sales, purchase, and employment. We use the data of 2,116 overseas subsidiaries in 61 countries between 2008 and 2011 provided by The Export-Inport Bank of Korea. As a result, analysis shows that the effect of localization on the performance is quite different by sectors and countries which the subsidiaries have entered. In the manufacturing sector, increase of local sales has positive effect only in China, while local purchase improves the performance of the subsidiaries in developing counties excluding China. However, the subsidiaries which had made a foray to service sector in advanced countries aquired better performance with localization of sales, purchase, and employment, whereas those in China had no merit except localization of purchase.
페로브스카이트 태양전지 상용화를 위한 자외선 및 수분 안정성 향상 전략
황은혜(Eunhye Hwang),권태혁(Tae-Hyuk Kwon) 한국태양광발전학회 2022 Current Photovoltaic Research Vol.10 No.2
With rapid growth in light-harvesting efficiency from 3.8 to 25.8%, organic-inorganic hybrid perovskite solar cells (PSCs) have attracted great attention as promising photovoltaic devices. However, despite of their outstanding performance, the commercialization of PSCs has been suffered from severe stability issues, especially for UV and humidity: (i) UV irradiation towards PSCs is able to lead UV-induced decomposition of perovskite films or catalytic reactions of charge-transporting layers, and (ii) exposure to surrounding humidity causes irreversible hydration of perovskite layers by the penetration of water molecules, resulting considerable decrease in their power-conversion efficiency (PCE). This review investigates current status of strategies to enhance UV and humidity stability of PSCs in terms of UV-management and moisture protection, respectively. Furthermore, the multifunctional approach to increase long-term stability as well as performance is discussed as advanced research directions for the commercialization of PSCs.
( Eunhye Cho ),( Lillie R. Albert ),( Sunghwan Hwang ) 한국수학교육학회 2021 수학교육연구 Vol.24 No.1
The purpose of this study was to examine what factors affect the construction of preservice white mathematics teachers’ racial identities and the relationship between their racial identities and Culturally Relevant Teaching (CRT) practices. We examined five white female preservice teachers who enrolled in an elementary mathematics methods course at a private university in the US. We collected data consisting of lesson plans, semi-structured interviews, and reflection of a taught lesson in the 2018 fall term and examined them using qualitative research methods. We found that preservice teachers’ racial identities were affected by their backgrounds, K-12 school experiences, and practicum school environment. We also found a relationship between teachers’ sensitivity to racial issues and their endorsement of CRT strategies. The findings also revealed that the relationships were mediated by practicum school contexts. Based on the findings, we provided practical implications for the teacher education programs.