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황경하(Hwang, Kyoung Ha),이새별(Lee, Sae Byeol),황희숙(Hwang, Hee Sook) 한국창의력교육학회 2018 창의력교육연구 Vol.18 No.2
본 연구는 Nobak과 Gowin(1984)이 고안한 개념도를 사용하여 유아교사의 유아 영재교육에 대한 개념과 개념의 수준을 분석하고자 하였으며 다음과 같은 연구문제를 설정하였다. 첫째, 유아교사의 개념도에 나타난 유아 영재교육에 대한 개념의 내용은 어떠한가? 둘째, 유아교사의 개념도에 나타난 유아 영재교육에 대한 개념의 수준은 어떠한가? 이를 위해 부산광역시 유아교육기관에 재직 중인 유아교사 138명을 대상으로 소그룹 면담을 통해 유아 영재교육에 대한 개념도를 작성하도록 하고 이를 분석하였다. 연구결과 첫째, 유아교사의 유아 영재교육에 대한 상위개념은 총 16개의 범주로 도출되었다. 둘째, 종속개념의 수는 영재 교육방법이 가장 많았으며 특성점수는 영재 교육방법, 영재의 인지적 특성, 영재 교육과정 영역 순으로 높게 나타났다. 셋째, 밀도는 0.75-9.33이며 평균은 2.05로 나타났다. 이러한 연구결과는 유아 영재교육에 대한 심층적 이해를 도울 수 있는 교사교육이 필요함을 시사한다. The purpose of this study was to examine early childhood teachers’ knowledge and the level of their knowledge on the contents of gifted young children education. Following questions are developed in order to perform this study. 1. How is the knowledge of early childhood teachers about gifted young children education? 2. How is the level of knowledge of early childhood teachers about gifted young children education? The subjects were 138 early childhood teachers and they were asked to draw a concept map. The findings of the study were as follows: First, there were 16 superordinate concepts of the gifted young children education for early childhood teachers. Second, the highest subcategory was ‘gifted teaching methods’, followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’, and the highest specificity measure was ‘gifted teaching methods’ followed by ‘cognitive characteristics of the gifted children’ and ‘gifted education curriculum’. Third, The density degree ranged between 0.75-9.33 and the mean was 2.05. The results were discussed in relation to implications for early childhood teacher education.
모바일 학생증을 이용한 아두이노 기반의 출입통제 시스템
양성민 ( Seong-min Yang ),황경하 ( Kyung-ha Hwang ),금진수 ( Jin-soo Keum ),이지수 ( Ji-su Lee ),전중남 ( Joong-nam Jeon ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.2
본 시스템은 스마트폰 어플리케이션과 아두이노 보드, 웹서버로 구성된 시스템으로서, 학생들이 보다 편리하게 교내 건물에 출입 할 수 있게 하기 위해서 개발하였다. 학생들이 플라스틱 카드로 만들어진 학생증 없이도 스마트폰 어플리케이션으로, 교내 건물에 출입 할 수 있는 기능을 제공함으로써 많은 플라스틱 카드를 대체할 것으로 생각된다. 이를 통해 플라스틱 카드를 따로 가지고 다니지 않아도 되는 편의성을 제공하며 학생증 분실 위험도 막을 수 있다. 또한 플라스틱 카드 제작을 줄여 친환경의 Green IT를 실현할 수 있다. 학생인증 방법은 스마트폰 어플리케이션에서 종합정보시스템 상의 학번과 비밀번호를 입력하면 서버에서 일치 여부를 확인하여 로그인 승인을 해준다. 이후 블루투스 통신을 통해 아두이노 보드에 출입 요청을 보내면 아두이노 보드에 연결된 모터로 문을 개폐한다. 이외에 학생증의 본래 기능인 학생 증명 기능과 학생증으로 이용할 수 있는 제휴업체의 정보도 제공한다.
의무기록의 다각적 활용을 통한 충실도 높은 병원 암등록 체계의 구축: 서울아산병원의 경험
김화정,조진희,유용만,이선혜,황경하,이무송,Kim, Hwa-Jung,Cho, Jin-Hee,Lyu, Yong-Man,Lee, Sun-Hye,Hwang, Kyeong-Ha,Lee, Moo-Song 대한예방의학회 2010 예방의학회지 Vol.43 No.3
Objectives: An accurate estimation of cancer patients is the basis of epidemiological studies and health services. However in Korea, cancer patients visiting out-patient clinics are usually ruled out of such studies and so these studies are suspected of underestimating the cancer patient population. The purpose of this study is to construct a more complete, hospital-based cancer patient registry using multiple sources of medical information. Methods: We constructed a cancer patient detection algorithm using records from various sources that were obtained from both the in-patients and out-patients seen at Asan Medical Center (AMC) for any reason. The medical data from the potentially incident cancer patients was reviewed four months after first being detected by the algorithm to determine whether these patients actually did or did not have cancer. Results: Besides the traditional practice of reviewing the charts of in-patients upon their discharge, five more sources of information were added for this algorithm, i.e., pathology reports, the national severe disease registry, the reason for treatment, prescriptions of chemotherapeutic agents and radiation therapy reports. The constructed algorithm was observed to have a PPV of 87.04%. Compared to the results of traditional practice, 36.8% of registry failures were avoided using the AMC algorithm. Conclusions: To minimize loss in the cancer registry, various data sources should be utilized, and the AMC algorithm can be a successful model for this. Further research will be required in order to apply novel and innovative technology to the electronic medical records system in order to generate new signals from data that has not been previously used.
최종식(Jong-Sik Choi),김도식(Do-Sik Kim),이기천(Gi-Chun Lee),황경하(Kyoung Ha Hwang) 대한기계학회 2013 대한기계학회 춘추학술대회 Vol.2013 No.12
The counter weight is a heavy material installed in equipment to balance the center of gravity of construction machinery or special equipment. When the connection part of the counter weight, which is connected to the construction machinery such as a excavator or a fork lift, is broken to be separated, it can be very risky due to the loss of the center of gravity and its overturn. So, it is necessary to secure its reliability. However, to perform the life testing of the counter weight, it is required to have very large-sized exciter which simulates the vibration to the about 2-ton heavy material similar to that occurring in the real field. In this paper, the stress of the broken part of the counter weight is analyzed using FEM analysis and failure analysis is performed for the major components. The field data acquired in the site is applied to the life testing of the counter weight and the evaluation to secure reliability is performed by constructing test equipment simulating real service condition with a rotational vibrator using a electric motor.