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수업 반성 저널을 통해 살펴 본 초등 교사의 과학 수업 반성의 특징
양기창 ( Ki Chang Yang ),윤혜경 ( Hye Gyoung Yoon ) 한국초등과학교육학회 2012 초등과학교육 Vol.31 No.3
For decades, reflection has been recognised as a meaningful tool to bring forth teachers`` ownership as well as knowledge and action empowerment in teacher education. Yet there have been few studies on elementary teachers`` reflection on their science teaching in Korea. In this study, 71 reflective journals of 24 elementary teachers on their science teaching were analyzed. The characteristics of reflective journals were analyzed in terms of ``productive reflection``, a concept suggested by Davis (2006). Unproductive reflection is mainly descriptive without analysis, whereas productive reflection can promote teachers`` learning by integrating four aspects of teaching (learner/learning, subject matter knowledge, instruction and assessment). The result showed what elementary teachers consider and emphasize and how they integrate their ideas. Most of reflective journals included aspects of ``instruction``, ``learner/learning``, and ``subject matter knowledge``. However ``instruction`` was emphasized most frequently (69.0%) than ``subject matter knowledge`` (33.8%) and ``learner/learning`` (26.8%), ``Assessment`` was hardly included nor emphasized, More than half of the journals (56.3%) showed no integrations, which were unproductive reflection. A third of the journals (32.4%) integrated only two aspects among four. Average score of integrations was 1.6 on a scale of 4 points. The integrations were not affected by the length of reflective journals and the teaching experience. These findings suggest that productive reflection would not increase naturally with teaching experience and there needs more tactful guidance to develop elementary teachers` productive reflection on their science teaching.
유찬 ( Yu Chan ),양기석 ( Yang Ki-suk ),유시창 ( Ryu Si-chang ),조병진 ( Cho Byung-jin ),안병관 ( Ahn Byung-kwan ) 한국농공학회 2003 한국농공학회 학술대회초록집 Vol.2003 No.-
Bech scale tests were performed to evaluate the adaptability of indutrial wastes, especially bottom ash, salg and phosphogypsum among others, for constructing the surface layer of a landfill or reclamation, which function is a vegetation base layer. In the test, columes test were used to check the extraction characteristics of wastes and small PVC soil-box that equipped the drainage device was used to model a performance of layers and to monitor the growth of plants at the composite layer of those. Tests have been continued during one and half year and It has been verified that bottom ash and phosphogypsum look like as a valuable material to safely reuse as the vegetation base layer even though some unconfined factors are remain.
구현모 ( Hyun-mo Ku ),김태준 ( Tae-jun Kim ),양기창 ( Ki-chang Yang ),이도현 ( Do-hyun Lee ),전병모 ( Byeong-mo Jun ),박진호 ( Jin-ho Park ),김영종 ( Young-jong Kim ) 한국정보처리학회 2017 한국정보처리학회 학술대회논문집 Vol.24 No.1
통계상 국민 2명중 1명이 차를 소유하고 있는 오늘 날, 뉴스를 통해서 차량사고에 의한 인명사고 소식을 심심치 않게 접할 수 있다. 그 중 많은 비중을 차지하고 있는 사고는 승 하차시의 접촉 사고로, 최근 들어 증가하는 추세이다. 그래서 이러한 자동차 접촉사고에서의 자동차 탑승자의 안전을 지키기 위한 대책이 시급하다고 생각하였고, 이에 본 논문에서는 뒤의 다가오는 물체에 대한 속도측정을 통한 자동 차문 잠김을 대안으로 제시하며, 이를 통해서, 자동차 탑승자들의 안전을 보장하는 것에 보다 더 한걸음 나아가고자 한다.