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질문형성기법 적용 수업이 초등학교 저학년 학생의 창의적 인재 역량에 미치는 효과
오승연 ( Oh¸ Seungyeon ),문성환 ( Moon¸ Seonghwan ) 인하대학교 교육연구소 2020 교육문화연구 Vol.26 No.6
이 연구는 학생이 질문의 주체가 되어 학생 스스로 답을 찾아가는 질문형성기법이 초등학교 저학년 학생의 창의적 인재 역량에 미치는 효과에 대해 알아보기 위하여 수행하였다. 이를 위하여 초등학교 2학년의 통합교과(바른 생활, 슬기로운 생활, 즐거운 생활)를 대상으로 11회기(20차시) 분량의 질문형성기법을 적용한 교육 프로그램의 개발 및 적용을 통해 질문형성기법 경험 유무에 따라 초등학생의 창의적 인재 역량을 비교 분석하였다. 검사 도구는 상호 소통과 배려 속에 창의성을 얼마나 발휘하는지 분석 해 볼 수 있는 창의적 인재 역량 검사지를 활용하였다. 그 결과 질문형성기법을 적용한 통합교과 교육 프로그램이 초등학교 2학년 학생의 창의적 인재 역량 신장에 긍정적인 효과를 발휘함을 확인할 수 있었다(t=6.663, p<0.001). 이 연구에서 개발한 프로그램은 질문형성기법(QFT)의 효과적인 저학년용 교수·학습 자료 개발을 위한 기초 자료로 활용될 수 있을 것이다 This study aims to find out the effects of the integrated curriculum education program using Question Formulation Technique(QFT) in which a student becomes the subject of a question and finds the answer on his or her own on the improvement of Creative Leader Competency. In order to accomplish the purpose of research, QFT-based integrated curriculum education program of 11 sessions (a total of 20 hours) is developed, and Creative Leader Competency of second-grade elementary school students is analyzed. The examination was conducted using Creative Leader Competency test paper to analyze how creative it is to interact with each other and to be considerate. As a result, the integrated curriculum education program which applied QFT showed a positive effect on the development of Creative Leader Competency of second-grade elementary school students(t=6.663, p<0.001). The developed program will be a reference material for developing QFT teaching and learning materials for lower grades.
Seungyeon Lee,Kyung Tae Kim,Ji-Hun Yu,Hyoung Seop Kim,Jae Wung Bae,Jeong Min Park 한국분말재료학회(구 한국분말야금학회) 2024 한국분말재료학회지 (KPMI) Vol.31 No.1
The emergence of ferrous-medium entropy alloys (FeMEAs) with excellent tensile properties represents a potential direction for designing alloys based on metastable engineering. In this study, an FeMEA is successfully fabricated using laser powder bed fusion (LPBF), a metal additive manufacturing technology. Tensile tests are conducted on the LPBF-processed FeMEA at room temperature and cryogenic temperatures (77 K). At 77 K, the LPBF-processed FeMEA exhibits high yield strength and excellent ultimate tensile strength through active deformation-induced martensitic transformation. Furthermore, due to the low stability of the face-centered cubic (FCC) phase of the LPBFprocessed FeMEA based on nano-scale solute heterogeneity, stress-induced martensitic transformation occurs, accompanied by the appearance of a yield point phenomenon during cryogenic tensile deformation. This study elucidates the origin of the yield point phenomenon and deformation behavior of the FeMEA at 77 K.
Skin Tone Analysis with the Use of Visual Colorimetry
Seungyeon Lee,GyoungSil Choi 한국색채학회 2017 AIC 2017 Jeju Vol.2017 No.10
The recent growth in interest in color has brought increasing attention to other color-related fields. The field of skin tone has witnessed a surge of vibrant research aimed at providing concrete guidelines and pragmatic uses, as well as a gradual expansion of the field and related product development. The escalation of individual consumer attempts to fulfill their esthetic desires by matching colors between their cosmetics and their skin tone has encountered the complicated problem of color identification by visual colorimetry, a problem caused by the fact that the same color has different appearances in different surroundings. This study was conducted to examine the possibility of visual colorimetry being able to distinguish yellow and blue bases without physical colorimeters, a possibility which will enable the development of practical applications. The first result is that the majority of the subjects perceived a yellow base as a result of considering the experiment stimuli itself a warm color. Second, the criteria established by a neutral base facilitate the clear determination of the right base regarding the same color. Lastly, the determination of a yellow or blue base by visual colorimetry functions in accordance with chroma, not color or hue. The study suggests that in-depth research into the emotional tones of each seasonal color, using the neutral base criteria, will improve personal color applications not only in the fashion and beauty industries, but also in any field concerned with colors and the difficulty of visual colorimetry.
( Seungyeon Song ),( Ji Hye Koh ),( Ok Ju Kang ),( Dasol Oh ),( Sang-hun Lee ),( Soo-jeong Lee ),( Jun-woo Ahn ),( Hyun-jin Roh ),( Jeong Sook Kim ) 대한산부인과학회 2022 대한산부인과학회 학술대회 Vol.108 No.-
Placental mesenchymal dysplasia (PMD) is a rare but benign placental lesion combined with placentomegaly, grape-like cystic lesion and villous hyperplasia. It is usually accepted that PMD is a different benign disease from other kinds of hydatidiform moles such as complete (CHM) or partial (PHM) hydatidiform mole which are usually misdiagnosed as PMD. Here, we report a special case of PMD combined with CHM in a singleton placenta with live birth. The mother had an abnormally high level of msHCG in early pregnancy with the ultrasonography demonstrated multiple cystic lesions with placentomegaly. The msHCG level decreased within a normal range, and no fetal structural abnormality was observed. After successful delivery of a healthy male baby at 34 weeks of GA, placenta immunostaining of p57KIP2 (CDKN1C) and short tandem repeat (STR) analysis revealed the existence of three distinct histologic and genetic features such as normal baby and placenta tissue, PMD, and CHM in a single placenta. The mother was diagnosed with gestational trophoblastic neoplasia (GTN) and had treatment up to the third-line chemo therapy.
A Crosstalk Avoidance Method considering Statistical Timing Analysis
Seungyeon Lee,Naeun Jang,Juho Kim 대한전자공학회 2007 ITC-CSCC :International Technical Conference on Ci Vol.2007 No.7
As technology scales to smaller dimensions, increasing process variations, coupling induced delay variations make delay optimization and signal integrity extremely challenging. In this paper, under statistical timing analysis, we considered crosstalk to be statistical value instead of deterministic value. A heuristic algorithm sizing gate that has higher priority is proposed for avoiding crosstalk considering statistical timing analysis.
A Study on the Allowable Range of Overhanging Berthing at the Port of Ulsan
Seungyeon Kim,Yongung Yu,Yunsok Lee 해양환경안전학회 2019 海洋環境安全學會誌 Vol.25 No.3
As vessels become larger and competition between ports intensifies, there has been an increase in the number of cases where vessels that exceed the available berths are berthed at the pier. Therefore, there has been an increase in the number of cases in which the bow or stern of a ship is projected and moored. The risk of overhanging berthing is that mooring safety can be compromised because it is not possible to connect the bow and stern mooring line to the ship properly. In addition, collision accidents may occur between moving vessels if the view of a vessel moving in the port is obstructed. Therefore, in this study, the simulation of mooring safety was performed according to the overhanging range in Piers No. 6 and 7 in Ulsan’s main port to propose the overhanging limit and operational standards according to each ship. As a result of the assessment, 30,000 DWT bulkers are able to overhang up to 0.75B, and 50,000 DWT bulkers can overhang up to 0.50B. The results of this study are expected to be used as basic data for setting the allowable overhang limit, as well as clear usage criteria for safe unloading operations.