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      • KCI등재

        뉴스 리터러시 함양을 위한 사회과 교육과정 - 2015 개정 사회과 교육과정 분석과 교육과정 개선 방향 제안

        이정우 ( Lee¸ Jungwoo ) 한국사회과교육학회 2021 시민교육연구 Vol.53 No.4

        이 연구는 뉴스 리터러시 교육이 효과적으로 이루어지기 위한 사회과 교육과정의 개선 방향을 탐색하기 위하여 수행하였다. 이를 위해 뉴스 리터러시의 의미와 뉴스 리터러시 교육의 성격과 목표를 고찰하고, 이를 토대로 2015 개정 사회과 교육과정을 분석하여 그 특징을 파악하였다. 분석 결과는 다음과 같다: 첫째, 사회과 교육과정에서 ‘뉴스’는 성취기준에 직접 명시되기보다는 주로 교수·학습 방법과 관련하여 제시되고 있었으며, 대다수 진술문은 ‘뉴스 이용 교육’ 차원에서 뉴스를 학습 내용을 이해하기 위한 자료의 하나로 보고 이에 접근하는 데 초점을 두고 있었다. 이에 비해 ‘뉴스에 대한 교육’의 성격을 지니면서 뉴스를 이해하고, 비판적으로 분석하며, 뉴스를 생산하거나 활용하는 데 초점을 둔 진술문을 찾기는 어려웠다. 둘째, ‘뉴스에 대한 교육’으로 해석할 수 있는 진술문은 민주주의 정치과정에서 언론의 기능과 시민 참여, 뉴스에 대한 비판적 분석 등 뉴스 리터러시 교육의 핵심적 내용을 다루고 있었으나 모두 고등학교 선택 교육과정 문서에 제시되어 있었다. 셋째, ‘뉴스 이용 교육’과 관련된 진술문의 경우에도 교육의 방향이나 이를 토대로 한 구체적인 지침이 제시되어 있지는 않았다. 이러한 분석 결과를 토대로 2022 개정 사회과 교육과정을 통해 학습자들이 뉴스 리터러시를 효과적으로 함양하도록 하기 위해서는 뉴스 리터러시에 대한 균형적 접근, 공통 교육과정과 선택 교육과정 간 계열성 확보, 뉴스 이용 교육과 관련된 구체적 방안의 제시 등이 필요함을 제안하였다. This study was conducted to explore the direction of improvement of the social studies curriculum for effective news literacy education. To this end, the definition of news literacy and the nature and goals of news literacy education were considered, and the characteristics of the 2015 revised social studies curriculum were analyzed based on these criteria. The results are as follows: First, news was mainly presented in relation to teaching/learning methods rather than directly specified in the achievement standard, and most of the statements were made in terms of news-use education. Second, statements that can be interpreted as education on news dealt with the core contents of news literacy education, but all were presented in the high school elective subjects. Third, even in the case of a statement related to news-use education, the specific guidelines based on it were not presented. Based on the results of this analysis, the study suggested a balanced approach to news literacy, securing sequences, and specific guidelines related to news-use education.

      • KCI등재

        Enhancement of Photocurrent Generation by C60-encapsulated Single-walled Carbon Nanotubes in Ru-sensitized Photoelectrochemical Cell

        Jungwoo Lee,Taehee Park,Jongtaek Lee,Mira Jang,Seungjin Lee,Heesu Kim,한성환,이휘건 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.8

        Single-walled carbon nanotubes (SWNTs) and C60-encapsulated SWNTs (C60@SWNTs) are introduced to Rusensitized photoelectrochemical cells (PECs), and photocurrents are compared between two cells, i.e., an RuL2(NCS)2/DAPV/SWNTs/ITO cell and an RuL2(NCS)2/DAPV/C60@SWNTs/ITO cell. [L = 2,2'- bipyridine-4,4'-dicarboxylic acid, DAPV = di-(3-aminopropyl)-viologen, and ITO = indium-tin oxide] The photocurrents are increased by 70.6% in the presence of C60@SWNTs. To explain the photocurrent increase, the reverse-field emission method is used, i.e., RuL2(NCS)2/DAPV/SWNTs/ITO cell (or RuL2(NCS)2/DAPV/ C60@SWNTs/ITO cell) as an anode and a counter electrode Pt as a cathode in the external electric field. The improved field emission properties, i.e., β (field enhancement factor) and emission currents in the reverse-field emission with C60@SWNTs indicate the enhancement of the PEC electric field, which implies the improvement of the electron transfer rate along with the reduced charge recombination in the cell.

      • Backscattering measurement from a single microdroplet

        Jungwoo Lee,Jin Ho Chang,Jong Seob Jeong,Changyang Lee,Shia-Yen Teh,Lee, A,Shung, K IEEE 2011 and Frequency Control Vol.58 No.4

        <P>Backscattering measurements for acoustically trapped lipid droplets were undertaken by employing a P[VDF-TrFE] broadband transducer of f-number = 1, with a bandwidth of 112%. The wide bandwidth allowed the transmission of the 45 MHz trapping signal and the 15 MHz sensing signal using the same transducer. Tone bursts at 45 MHz were first transmitted by the transducer to hold a single droplet at the focus (or the center of the trap) and separate it from its neighboring droplets by translating the transducer perpendicularly to the beam axis. Subsequently, 15 MHz probing pulses were sent to the trapped droplet and the backscattered RF echo signal received by the same transducer. The measured beam width at 15 MHz was measured to be 120 μ m. The integrated backscatter (IB) coefficient of an individual droplet was determined within the 6-dB bandwidth of the transmit pulse by normalizing the power spectrum of the RF signal to the reference spectrum obtained from a flat reflector. The mean IB coefficient for droplets with a 64 μ m average diameter (denoted as cluster A) was -107 dB, whereas it was -93 dB for 90-μm droplets (cluster B). The standard deviation was 0.9 dB for each cluster. The experimental values were then compared with those computed with the T-matrix method and a good agreement was found: the difference was as small as 1 dB for both clusters. These results suggest that this approach might be useful as a means for measuring ultrasonic backscattering from a single microparticle, and illustrate the potential of acoustic sensing for cell sorting.</P>

      • KCI등재

        IT 프로젝트 팀에 있어서 내외부 사회적 자본과 조직 분위기에 관한 연구

        이정우(Jungwoo Lee),이혜정(Hyejung Lee),이슬기(Seulki Lee) 한국IT서비스학회 2017 한국IT서비스학회지 Vol.16 No.3

        IT project teams are composed of experts from various domains with different backgrounds, such as business and technologies. Thus, enhancing knowledge sharing and increasing team social capital are critical for the success of the project. This study examines the relationship among the team social capital, team climate and team performance. A research model and hypotheses are developed from literature review and empirically validated. The research model consists of team social capital, team climate and team performance. Specifically, team social capital, as antecedents, wasconceptualized asinternal and external differentiated by team boundary, and team climate is conceptualized as innovative climate and supportive climate. Using measures adopted from previous studies, 166 data points were collected to test the research model and related hypotheses. PLS data analysis indicated that internal and external social capitalhave positive effect on innovative climate while internal social capital has a positive effect on supportive team climate. The innovative and supportive climate has significant effect on the team performance. Based on the results, we proposed several team management skills for IT project managers. Theoretical constributions are discussed at the end with limitations and further studies.

      • 2018년 기업가정신 모니터링 사업 : 혁신창업생태계 연구

        이정우(Jungwoo Lee),김선우(Sunwoo Kim),김영환(Younghwan Kim),이윤준(Yoonjun Lee),백서인(Seoin Baek),권기환(Kihwan Kwon),모미령(Meeryung Mo),정효정(Hyojung Jung),이승재(Seungjae Lee) 과학기술정책연구원 2019 정책연구 Vol.- No.-

        This study monitors the recent entrepreneurship and startup ecosystem to propose timely evidence-based policies for the activation of entrepreneurship focusing on innovative startups. The research questions mainly as follows: What is the status and environment of Korea"s innovative startups? What are the obstacles to establish innovative startups in Korea? The research was conducted at multi-level of national, firm, and individual levels. First, at the national level, using secondary data on 57 entrepreneurship components of 32 countries, international entrepreneurship index newly designed by STEPI have been compared with Korea. Particularly, in consideration of the distinct characteristics of Korea, weight factor adopts the components derived from Analytical Hierarchy Process (AHP) by experts. Second, at the firm level, this study carried out a comparative analysis focusing on recent global market trends and successful startup cases related to the 4th industrial revolution such as artificial intelligence, robotics, blockchain, and fintech. Third, at the individual level, this study conducted a survey and Focus Group Interview (FGI) with researchers of Government-Funded Research Institutes (GRI) in science and engineering field about the entrepreneurship and startup perception. As a result, total 10 major policy alternatives are derived by main issues and implications from each level. Firstly, at the national level, the results shows the necessity in 1) shifting the policy strategy from ‘Startup Pull’ to ‘Entrepreneurship Push’, 2) establishing entrepreneurial lifelong education system, 3) building the environment for technological finance. Secondly, at the firm level, it derivatively suggests policy alternatives in 1) restructuring the entry regulations in the new industry sectors from ‘Positive Listings’ to ‘Comprehensive Negative Listings’, 2) spreading entrepreneurship and startup culture through improvement of the system for attracting high-quality human resources into the innovative startups and expansion of social safety nets, 3) promoting the global successful startups like unicorns through building the private-led virtuous circle ecosystem of investment and exit. Lastly, at the individual level, it proposes policies in 1) supporting legal and institutional guidelines for researchers’ startups, 2) expanding organizations for supporting technology commercialization and innovative startups, 3) systematizing programs for supporting entrepreneurs from GRI, and 4) constructing the private supporting ecosystem for the researchers who want to establish startups. The results from the unique multi-level research are expected to provide multi-purpose solutions to various fields such as policy makers, startups, and researchers.

      • IT Job Crafting: Definition and Measurement

        Jungwoo Lee 한국경영정보학회 2018 한국경영정보학회 학술대회논문집 Vol.2018 No.11

        Advanced information technologies such as cloud, analytics, social media, mobile computing, IoT and AI are changing the nature of work as industrial technologies have changed the nature of work. Traditional job design theory, emphasizing skill variety, task identity, task significance, autonomy, and feedback [1-5], is not in effect any more in this world of knowledge-based work. Thus, revising the traditional model of job design are beginning to be suggested even by the proponents of traditional job design researchers [4, 5]. In this regard, alternative avenues are under investigation with focus upon behavior-based changes of worker. Having a focus on behavioral characteristics of workers including cognitions and attitude would be promising not only as yielding individual outcomes, but also benefiting the organizational effectiveness. The concept of job crafting is emerging. as an alternative bottom-up design of knowledge work in which employees are crafting their tasks and relations at work as well as cognitive interpretations [6-8]. This new construct of job crafting is being developed and defined mostly in the area of human resources research. However, detailed characteristics of IT are largely missing in studies explicating the impact and antecedents of job crafting behavior though the phenomenon of job crafting is only enabled by advanced information technologies. In this regard, this study systematically develop a conceptual definition of IT Job Crafting, defined as the extent to which an individual use of IT as integral to his or her job crafting behavior. The construct is framed within a theoretical model of task technology fit, and refined conceptually via qualitative literature review. Our goal is to facilitate the development of IT job crafting as a construct that can improve our understanding of knowledge work process. In doing so, this study intends to make following contributions. First, it delineates current understanding of IT as a medium of job crafting. In-depth understanding of job crafting might be used as a basis for designing future jobs. Second, it defines the conceptual details of IT job crafting relating to characteristics of IT. These characteristics might be useful in designing and revising work systems of the future. Third, it demonstrates the utility of IT job crafting to a range of information systems issues, offering potential further research opportunities. Implication and further research will be presented and discussed.

      • SCISCIESCOPUS

        Crystal properties of atomic-layer deposited beryllium oxide on crystal and amorphous substrates

        Lee, Seung Min,Jang, Yoonseo,Yum, Jung Hwan,Larsen, Eric S,Lee, Woo Chul,Kim, Seong Keun,Bielawski, Christopher W,Oh, Jungwoo Institute of Physics 2019 Semiconductor science and technology Vol.34 No.11

        <P>We present the crystal properties of beryllium oxide (BeO) films on Si (100), GaN (001), and amorphous SiO<SUB>2</SUB> substrates grown by atomic-layer deposition (ALD). Because of the strong bonding interactions intrinsic to beryllium, BeO thin films have been grown in crystalline phases regardless of the substrate type. Transmission electron microscopy revealed crystallized BeO films with small interfacial layers. The epitaxial relationships and domain-matching configurations were confirmed by crystal simulation. Using x-ray diffraction analyses, ALD BeO films with thicknesses of 50 nm showed wurtzite (002) crystal phases for all substrates studied. Raman spectroscopy confirmed that the crystallinity of the BeO film grown on GaN was superior to that on Si and SiO<SUB>2</SUB> substrates. Atomic force microscopy and water contact angle goniometry measurements indicated that the BeO film grown on GaN in a planar mode was due to its low film energy.</P>

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