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STEAM 기반 야외체험학습 프로그램이 초등학생의 과학탐구능력 및 과학에 대한 태도에 미치는 영향
홍현정 ( Hyun Jeong Hong ),배진호 ( Jin Ho Bae ),소금현 ( Keum Hyun So ) 한국생물교육학회 2015 생물교육 Vol.43 No.4
The purpose of this study was to develop STEAM based field trip program for elementary students and to examine the effects of it on science process skills and attitudes toward science. Two fourth grade classes from G elementary school in B Metropolitan City were divided into the experimental group(11 boys, 13 girls) and the comparison group(13 boys, 11 girls). The results of this study were as follows: First, STEAM-based Field Trip Programs gave a positive influence on the science process skills of elementary school students, especially the improvement of the integrated process skills. Second, there was meaningful change in the attitudes toward science for those who studied the group on STEAM-based Field Trip Programs. Third, students who studied with STEAM-based Field Trip Programs became more interested in science and found the joy ofexploration and cooperation through the program.
김정렬(Kim, Jeong-ryeol),홍현정(Hong, Hyun Jung) 한국외국어교육학회 2009 Foreign languages education Vol.16 No.1
This study is designed to examine the characteristics and the validity of English listening test items in Foreign Language High School (FLHS) entrance exams by analyzing the items with reconstructed criteria of Bachman and Palmer's (1996) communicative competence and the passage format. The primary purpose of this study is to analyze the listening test items based on the various passage formats and modified Bachman and Palmer's (1996) communicative competence model. For this study, 1682 listening test items from the last seven years are collected out of eight different FLHSs. The study specifically analyzes the test items with revised analysis criteria of the passage format and communicative competence. The analyzed data are calculated from the frequency statistics from year to year or from school to school. In relation to communicative competence, one native speaker who has teaching experience in Korea analyzes the items as an addition rater afer being trained for the criteria of communicative competence after considerable number of discussion sessions. The research findings are as follows: First, "Dialogue" (52.9%) takes up the largest percentage of the total, followed by "Discourse" (23.8%), "Reading" (20.0%), and "Integrative Passages" (3.3%), although the percentage is very different from year to year and from school to school. Second, communicative competence is not measured in a balanced way. There are many items related to textual competence, but the test items for illocutionary competence and sociolinguistic competence show relatively low percentages.
제주 생태계 조절서비스의 시계열적 변화: 탄소고정량 추정 및 경제성 평가를 중심으로
노영희 ( Young-hee Roh ),김충기 ( Choong-ki Kim ),홍현정 ( Hyun-jeong Hong ) 한국환경정책학회 2016 環境政策 Vol.24 No.2
본 연구의 목적은 제주 지역을 대상으로 시계열적 탄소고정량을 추정하고, 그 변화량에 따른 경제적 가치를 추정하는 데에 있다. 기후변화의 저감 측면에서, 생태계서비스 가운데 조절서비스에 해당하는 탄소고정량의 증감은 중요한 현상이다. 탄소고정량은 대기중 이산화탄소를 바이오매스나 토양 등에 가두어 두는 것을 뜻하며, 토지피복 특성에 따라 탄소고정량이 달라진다. 따라서 토지이용 변화가 시계열적으로 발생한다면 탄소고정량도 따라서 변화하게 된다. 최근 관광 자원의 활용 혹은 경제적 이윤 추구를 중심으로 한 제주 지역의 토지이용 변화는 탄소고정량 증감, 결과적으로 온실가스 감축 측면에서 중요한 사항이다. 이에, 본 연구에서는 제주 지역을 대상으로 지난 20여 년 동안의 탄소고정량의 시계열적 변화를 추정하고 이에 따른 경제적 가치의 변화를 추정하였다. 분석 결과, 1989년 대비 2009년의 탄소고정량은 약 3,200만톤에서 2,600만톤으로 약 580만톤 감소한 것으로 추정되었다. 이에 따른 경제적 가치 손실은 약 4,300만 ~ 1억 5,000만 달러에 이르는 것으로 추정되었다. The purpose of this study is to estimate time series carbon sequestration changes in Jeju and the corresponding economic values. Changes in the amount of carbon sequestration, corresponding to the regulation of ecosystem services, is an important issue for climate change mitigation. Carbon sequestration refers to the capture and storage of carbon dioxide from the atmosphere in plants or soil. The regulation of ecosystem services that contain carbon sequestration is affected by changes in land use. Land use change is affected by the economic situation and this in turn affects climate change. Land use change is taking place rapidly on Jeju island, focusing on the utilization of tourism resources for economic profit. This study analyzes time series changes in land use patterns, and estimates the amount of carbon sequestration in Jeju the last 20 years as well as the resulting changes in economic value. The results show that from 1989 to 2009 the amount of carbon sequestration was decreased from approximately 32 million tons to 26 million tons and the subsequent loss of economic value was estimated at 43 to 150 million dollars.
사회-생태계 이론을 활용한 경기도 지역 생태계서비스 공급-수요관계 분석
박윤선 ( Park Yoon-sun ),김충기 ( Kim Choong-ki ),이재혁 ( Lee Jae-hyuck ),송영근 ( Song Young-keun ),홍현정 ( Hong Hyun-Jeong ) 한국농촌계획학회 2021 농촌계획 Vol.27 No.3
Ecosystem services play a role in promoting sustainable development by contributing to human welfare. For sustainable development, a balance between supply and demand for ecosystem services must be made. In this regard, in this study, factor analysis was performed using the results of measuring ecosystem services for the supply of ecosystem services and national statistical data representing socio-economic factors for demand for ecosystem services The results of analysis for Gyeong-gi Province are as follows. The service supply based on the result of ecosystem services was divided into the mixed service provisioning as factor1, the food provisioning as factor2, and the P retention service provisioning area as factor3. As for the demand for services based on socio-economic factors, factor1 is divided into urbanized areas, factor2 is forest development area, and factor3 is agricultural activity development area. Local governments that maintain balance were evaluated as Pocheon, Yangpyeong, Icheon, Pyeongtaek, Goyang, Suwon, Gwangmyeong, and Osan, and imbalanced local governments appeared in Gimpo, Uiwang, Anseong, and Yeoju. A management plan to maintain the balance between supply and demand of ecosystem services was suggested. The analysis method and results of this study are expected to be applicable to various local governments through regional expansion.