태블릿을 활용한 상호작용에 중심을 둔 교육 보조 시스템

이예지,박은지,유영화,전현진,최아란,이상준,Lee, Yeji,Park, Eunji,Yoo, Youngwha,Chun, Hyunjin,Choi, Ahran,Lee, Sangjun 한국전기전자학회 2013 전기전자학회논문지 Vol.17 No.4

능률이 가장 높은 수업 형태는 강의자와 학습자가 상호작용을 통하여 학습자의 자발적인 수업 참여를 유도하는 것으로 알려져 있다. 강의실 중심의 전통적인 수업은 상호작용을 지원하기에 체계나 시스템이 부족한 상태였다. 최근 정부의 정보화 사업의 하나로 학생들에게 태블릿이 제공될 예정이나, 강의 내용을 일방적으로 전달하는 데 그쳐 상호작용이 부족한 실정이다. 본 논문에서는 태블릿이 웹 서버를 이용하여 교사와 학생 간 상호작용을 돕는 것을 목적으로 하는 시스템을 제안한다. 제안된 시스템은 강의에 필요한 기능을 태블릿으로 제공함으로써 수업을 효율적으로 관리하게 하고, 웹 서버를 통한 즉각적인 상호작용이 가능하게 한다. It is well-known that inducing learner's spontaneous participation and teacher-student interaction are highly efficient way of teaching and learning. The traditional one-sided, teacher-centered lecture seemed to be inefficient systematically to support the interaction in classroom. Recently, the government was planning to provide the students with Tablet as a part of the informatization project, but it ended up providing only the content of the lecture, not allowing the interaction to occur in classroom. In this paper, we propose a system which aims to support interaction between a teacher and students by utilizing the Web server and Tablet.

RE100의 현황과 우리나라에서의 시사점

이예지(Yeji Lee),조민선(Min Sun Cho),채호진(Ho Jin Chae),김재창(Jae Chang Kim),이수출(Soo Chool Lee) 한국에너지기후변화학회 2019 에너지기후변화학회지 Vol.14 No.1

RE100 was launched at a Climate Week NY event in New York City in 2014 in a voluntary campaign by companies to provide 100 percent of their required electricity with renewable energy, joined by the international nonprofit environmental group The Climate Group and the Carbon Disclosure Project (CDP). Since the start of the campaign, the number of joined companies has continued to grow, with 179 participating companies as of June 2019. In the case of Korea, no company has participated in RE100 in earnest in domestic operations, not in overseas operations, as the system and conditions related to the direct purchase of renewable energy by private entities have yet to be prepared. However, Korean companies and suppliers are strongly demanding the use of renewable energy from Apple, BMW, and European suppliers, and the conversion of renewable energy is likely to affect export competitiveness in the long term, suggesting that it is connected to global image and possibility of overseas advancement. The Renewable Energy Choice Initiative was launched to prepare a related law to purchase renewable energy directly from energy consumers, which is considered a problem for RE100s participation in domestic businesses, and the RE100 Act is being proposed. Efforts by the government and businesses are needed to encourage active participation after the establishment of the system.

중등 사회과 교사의 창의교육 실천 양상과 교사 전문성 함양에 대한 사례연구

이예지(Lee, Yeji),최윤정(Choi, Yoonjung) 한국사회과교육연구학회 2020 사회과교육 Vol.59 No.3

본 연구의 목적은 중등 사회과 교사의 창의교육 수업 경험과 이를 통한 교사 전문성 함양을 질적으로 탐구하여 사회과 수업에서 창의교육의 현장 적합성을 높이는 방안을 모색하는 것이다. 서울 소재 E 사범대학의 창의교육 거점센터 협력교원인 중등 사회과 교사 4명이 동일한 창의교육 수업을 실시한 사례를 대상으로, 이들의 창의교육 경험과 실천 양상이 교실 안팎의 환경에 따라 어떻게 다양화되는지, 교사전문성 함양에 어떠한 영향을 미치는지를 탐색하였다. 분석 결과, 학생의 배경지식과 사전 경험, 교사의 지위와 역할, 교과내 · 교과간 협력 가능성과 분위기, 실행 시기의 네 가지 교실 안팎 환경 요인이 창의교육의 실천 양상과 질을 다양화하였다. 창의교육 실천 경험은 이들 교사의 교수학습법 역량, (교과)교육과정 이해, 학생 이해 및 공감력이라는 세 가지 측면의 교사 전문성 함양에 긍정적으로 작용한 것으로 드러났다. 본 연구의 결과는 중등 사회과 수업 현장에서의 창의교육 실천 가능성 및 현장 적합성을 높이는 방안과 교사교육에 대한 시사점을 제공한다. This study explored four secondary social studies teachers’ experiences of practicing creativity · convergence education in classroom and their professional growth. Specifically, in what ways their experiences and practices were diversified given multiple contextual aspects within and outside classrooms, and if and how such experiences influenced these teachers’ professional growth were examined. Findings revealed the following four aspects as contextual conditions that diversified these teachers’ creativity education practices: students’ previous knowledge and experiences, teachers’ status and roles in school, possibilities of inter/intra-subject area cooperation, and time. Experiences of creativity education practices in classroom influenced the teachers’ professional growth in the following three manners: competencies for pedagogy and instructional methods, indepth understandings of social studies curriculum, and deepened empathies for students. Results of this study provide practical implications for possibilities of creativity education and its site suitability for realities of classroom.

휴대폰 카메라 렌즈 스페이서 적용을 위한 구리의 흑화

이예지(Yeji Lee),김용하(Yong Ha Kim),김창현(Chang Hyun Kim),원용선(Yong Sun Won) 한국청정기술학회 2021 청정기술 Vol.27 No.1

휴대폰의 카메라 모듈 내에 정렬된 카메라 렌즈들은 일반적으로 검은색 폴리머 스페이서(spacer)에 의해서 물리적으로 분리된다. 그러나 카메라 모듈이 계속 얇아지고 삽입되는 렌즈의 수는 계속 증가하는 추세를 고려해볼 때, 렌즈들을 분리해주는 스페이서의 기계적 특성이 점점 중요해지고 있다. 이에 기존 폴리머 스페이서의 대체재로서 우수한 기계적 특성을 가진 구리(Cu) 소재가 고려되고 있는데, 특히 표면에 고유한 흑색 구리(II) 산화물(CuO)을 형성하여 빛의 간섭을 줄이고 플레어(flare) 현상을 억제할 수 있기 때문에 스페이서로 적합하다. 따라서 본 연구에서는 선행 연구들과 특허들을 분석 및 정리하여 표준구리 흑화 공정과 공정 조건을 제시하였다. 전체 공정은 수세(cleaning), 탈산화(deoxidizing), 활성화(activation), 흑화(blackening), 그리고 안정화(sealing)의 단위 공정들로 구성되는데, 각 단위 공정의 온도 및 활성화 용액의 농도 등의 공정 변수가 구리 시료(strip)의 흑화도에 미치는 영향을 파악하였다. 표준 공정 조건은 색차계로 측정된 구리 시료의 흑화도가 품질만족(on-spec.) 조건에 부합하는가를 기준으로 결정되었다. Black polymer spacers are currently used for physically separating aligned camera lenses in camera modules of mobile phones. However, the mechanical properties of polymer spacers have their limits, especially in the current trend of using more lenses in thinner camera modules. Thus, copper (Cu) becomes a good candidate for those polymer spacers because of its superior mechanical properties and its inherent blackness due to its black surfaced oxides, such as copper (II) oxide (cupric oxide, CuO). The latter property is critical in quality control because the closer the color of a spacer is to black, the less light interference and flaring phenomena can occur. A standard Cu blackening process and its operational conditions were proposed in this study through a comprehensive analysis of previous research and patents. The Cu blackening process is composed of cleaning, deoxidizing, activating, blackening and sealing. The effects of operational parameters, such as the temperature of each unit process and the activator concentration, were then investigated by measuring the blackness of the Cu strips with a colorimeter. The proposed operational conditions were determined by whether the blackness of Cu strips was within the on-spec. value used in the field.

재생에너지 이용의 변화와 RE100 현황

이예지(Yeji Lee),김재창(Jae Chang Kim),이수출(Soo Chool Lee) 한국에너지기후변화학회 2019 에너지기후변화학회지 Vol.14 No.2

The year 2019 was the biggest growth year so far, and also served as a springboard for the establishment of policies to expand renewable energy by launching a RE100 committee, holding a forum and industry meetings to introduce the RE100. Since the start of the 2014 campaign, the number of companies that have expressed their willingness to participate has continued to rise, with 57 companies increasing since November 2018, officially announcing statistics that 211 companies will participate. In April 2019, the Ministry of Trade, Industry and Energy announced a plan to strengthen competitiveness of the renewable energy industry in order to lay the foundation for an ecosystem where Korea’s renewable energy business can take a fresh leap forward. It was divided into direct and indirect implementations to push for expansion of private sector-led investment in the domestic renewable energy market and to prepare a foundation for the implementation of RE100 so that global companies could respond to demands for production of eco-friendly products such as renewable energy. The Korea Energy Corporation and the Korea Electric Power Corp. announced on October 23, 2019 their plan to implement a pilot project to introduce the renewable energy usage recognition system. It is time for the entity to understand the RE100 flow changes and modify its strategy for procuring renewable energy. The government should set the stage for accelerating investment in renewable energy and strengthening industrial competitiveness by utilizing it.

Analysis of Energy Consumption According to the Envelope Design of School Buildings

Yeji Lee(이예지),Doosam Song(송두삼) 한국태양에너지학회 2018 한국태양에너지학회 학술대회논문집 Vol.2018 No.4

연산 모멘텀 효과의 인지적 기전과 특성에 대한 연구 개관

이예지 ( Yeji Lee ),조수현 ( Soohyun Cho ) 전북대학교 사회과학연구소 2021 지역과 세계 Vol.45 No.4

‘연산 모멘텀’ 효과란 덧셈에서는 과대 추정, 뺄셈에서는 과소 추정이 일어나는 현상을 말한다. 본 개관 연구에서는 연산 모멘텀 효과를 소개하고 이러한 현상이 일어나는 인지적 기전에 대한 여러 이론들 - 로그 압축, 시공간적 주의 이동, 공간적 경쟁, 휴리스틱 이론과 이를 발전시킨 산술 휴리스틱과 편향(AHAB) 이론 - 에 대하여 고찰하였다. 로그 압축 이론은 연산 모멘텀 효과의 현상학적 특성과 잘 들어맞지 않는 것으로 보이는 반면, 맥락에 따라 유동적으로 나타나는 연산 모멘텀 현상을 온전하게 설명하기 위해서는 그 외 이론들을 종합적으로 고려하여야 할 것으로 판단된다. 연산 모멘텀 효과는 피연산자, 연산 기호 그리고 연산의 결과에 의한 시공간적 주의의 이동이 경쟁적으로 작용하는 과정을 통해 일어나는 것으로 보인다. 여러 연구 결과를 종합하면, 연산 모멘텀 효과는 맥락에 따른 공간-수 연합, 공간-연산 연합, 기준점 편향 등 수학적 정보 처리와 공간적 주의의 다양한 상호 작용을 반영한다. 본 연구의 말미에 연산 모멘텀 효과에 대한 이론적 논쟁에 대한 제언과 후속 연구의 방향을 제시한다. The ‘operational momentum (OM)’ effect refers to overestimation for addition and underestimation for subtraction. The present study introduces the OM effect and reviews theories of its cognitive mechanism. These theories include logarithmic compression, spatial attentional shift, spatial competition, heuristics, and the Arithmetic Heuristics And Biases (AHAB) theories. The logarithmic compression theory does not seem to be consistent with the characteristics of the OM effect. Joint consideration of the other theories seems to be required to fully explain the context-dependency of the OM effect. The OM effect reflects the contribution of the multiple interactions between mathematical processing and spatial attention such as space-number association, space-operation association, anchoring bias, etc. In the discussion, we provide our perspective on the theoretical debates regarding the cognitive mechanism and developmental trajectory of the OM, and propose directions for future studies.

그래픽 이야기책을 활용한 초등 영어 리터러시 수업에 대한 연구

이예지(Lee, Yeji),김혜리(Kim, Hae-Ri) 한국영어교과교육학회 2017 영어교과교육 Vol.16 No.4

This study aimed to investigate the process of developing English literacy skills and English reading interests of primary English learners by using graphic novels for children. For these objectives, the following research questions were set up: 1) what are the impacts of graphic novels on primary students’ English reading interests? 2) how do after-reading activities based on graphic novels influence the primary students’ English literacy skills? In an attempt to answer these research questions, this study describes how 25 fourth grade students were taught reading and writing through five graphic novels for 14 weeks. Data from diverse sources were collected and analyzed in a qualitative manner. The data analysis yielded the following results: First, using graphic novels in the English literacy class increased students’ reading interests and led them to read more English books. Second, literacy classes based on graphic novels helped students improve their reading and writing skills. The results of the present research on using graphic novels in an EFL English class have the following implications for primary English education: First, this study demonstrated the benefits of using graphic novels that Korean primary teachers were not familiar with. Second, this study offers an effective way to enhance students’ reading interest and analyzed the features of graphic novels which improved students reading interests. Third, this study shows the possibility to combine reading and writing in primary EFL contexts by using the graphic novels.

성인의 만성질환 관련 건강위험행태요인 군집현상 분석

이예지(Yeji Lee),강지완(Jiwan Kang),김지예(Jiye Kim),나은희(Eunhee Nah),김유리(Yuri Kim),고광석(Kwangsuk Ko),이민수(Minsoo Lee),김혜경(Hyekyeong Kim) 한국보건교육건강증진학회 2017 보건교육건강증진학회지 Vol.34 No.3

노후 학교건물의 외피성능 개선에 따른 에너지 절감 효과 분석

이예지(Yeji Lee),강규민(Gyumin Kang),송두삼(Doosam Song) 대한설비공학회 2016 대한설비공학회 학술발표대회논문집 Vol.2016 No.11

Energy use in school buildings has been steadily increasing due to the installation of the electrical heating and cooling system such as EHP and ventilation system. According to previous study, the old school building use lots of energy compared to the renovated school building. However, the renovation cost is high and the majority of school building in Korea are aged and not energy efficient. As an energy saving strategy of the old school buildings, envelope retrofit is the most suggested item. In this study, the energy saving effect of the envelope retrofit was analyzed by simulation method. The results showed that about 0.4% of the heating and cooling energy demand is decreased with the replacement the envelope in accordance with the latest standard. However, the cooling energy demand is increase. This is because the internal heat is not removed or emitted to outside when the thermal resistance of the building envelope is high in school buildings. The results of this study will be used to retrofit in old school buildings and make a reasonable energy saving strategy.