• 한국공간정보시스템학회:학술대회논문집
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• 2005.05a
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• pp.165-174
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• 2005

고압전류가 흐르는 송전탑이 주거 밀집지역 인근에 설치되거나 송전탑과 가까운 곳에 아파트가 건설되면서 주민들이 한전을 상대로 손해배상 청구소송을 추진하는 등 전자파 피해에 따른 민원이 끊이지 않고 있다. 이와 같은 문제에 대해 해결책을 제시하기 위해서는 송전선 주변 전자파의 실체에 대해 과학적이고 객관적인 조사를 거쳐 국민에게 납득할 수 있는 대안을 제시하는 것이 선행되어야할 작업이다. 그러나 현재 전자파 데이터는 조사 지점만의 단편적인 측정치를 보여주는 수준에 머물러 있어 전자파 확산 등 광역적인 분포 추이에 대한 시각적인 정보를 입수하는 데 상당한 한계가 있다. 따라서 본 연구에서는 GIS기반의 공간 모델링 기법을 활용하여 거리와 전류를 토대로 분포되는 송전선 주변의 전자파 시뮬레이션 기법을 제안하고자 한다. 이와 같은 문제에 대해 대안을 제시하고자, 지역주민이 일상생활에서 접하고 있는 지역의 지도(건물, 도로망 등)를 전자파 유동에 관한 이론에 의거하여 3차원 상에서 전자파 시뮬레이션을 수행하였다. 전자파 시뮬레이션 결과를 검증하기 위해 사용한 실측 데이터는 인천광역시 서구 가정2동에 위치한 봉수 초등학교의 학생들에게 전자파 측정장비를 부착하도록 하여 확보하였다 송전선에서 전자파 방출에 개입하는 거리와 전류의 세기에 의거하여 전자파의 분포를 예측하였으며 실측 데이터와 이론적인 데이터를 비교하여 상관성을 평가했다. 통상 전자파 조사과정은 지도에 표기된 조사지점을 일일이 확인하는 등 모든 측정 작업을 수작업에 의존하고 있다. 따라서 DB구축에 시간이 많이 소요되고 정확도도 많이 떨어질 수밖에 없어 다양한 조건으로 방대한 자료를 공간상에서 검색하는 것 자체가 불가능하였다. 전자파의 분포를 그래픽정보로 가공하여 광역적인 전자파 변화 추이를 풍부한 시각 정보로 디스플레이 하는 것도 어려웠다. 또한 수작업으로 인한 실수도 많이 발생하고 그에 따른 교정 작업도 복잡하였다. 본 연구에서는 송전선에서 방출되어지는 전자파의 이론적인 데이터와 실측 데이터의 상관성에 따른 분석 결과를 가지고 실측 데이터 없이 GIS 기반의 3D 시뮬레이션에 의거하여 전자파의 공간적인 가시화를 수행할 수 있었다. 본 전자파 시뮬레이션 기법이 실무에 이용될 경우, 일반인이 전자파의 분포에 대한 전문지식을 습득할 필요 없이, 검색하고자 하는 지역과 송전선, 전철 등 각종 전자파의 발생 공간 객체를 선택하여 실생활과 관련된 전자파 정보에 예측할 수 있어, 대민 환경정보 서비스 질의 개선측면에서 획기적인 계기를 마련할 것으로 사료된다.

• Proceedings of the Korea Contents Association Conference
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• 2007.11a
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• pp.903-907
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• 2007

The aim of this paper is to help learners develop algorithmic thinking skill to solve a problem using LAMS and to draw their interest in learning through various learning activities to solve it. LAMS has the advantages of easy teaching contents' design and implementation and of an offer of sequential learning under various learning environments. The designed contents were applied to elementary school students' learning and a questionnaire survey was conducted. They showed positive responses, on the one hand, they hoped that various kinds of learning would be provided including not only data sorting but also technical contents related to computer. For further study, it is necessary to revise and supplement conceptual principals or contents of computer education in elementary and junior high schools.

• Journal of Nutrition and Health
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• v.40 no.sup
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• pp.22-28
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• 2007

최근 식생활의 서구화로 인해 기호식품의 사용량이 증가하고 설탕섭취량은 계속적인 증가를 보이고 있다. 특히, 아동들이 우리의 전통식생활에서 멀어지고 단 맛 위주의 스낵류나 과자 케일 등과 같은 기호식품의 사용으로 인한 설탕섭취량이 증가하고 있다. "식품수급표"상에 나타난 설탕공급량을 위주로 우리 국민의 설탕소비패턴과 국제간 비교를 통해 한국인들의 설탕섭취수준이 어느 정도인지를 파악하고 단맛에 대한 한국인의 기호도의 변화과정을 살펴보았다. "2001 국민건강영양조사"에서는 한국 성인 1일 1인당 약 60 g 정도의 설탕 섭취량을 보였다. 농림부의 "식품수급표"를 중심으로 살펴보면 2002년에 1인 1일당 설탕공급량이 57 g으로 나타나 미국인의 1일 설탕섭취량인 130 g 정도인 것에 비하면 아직도 적다고 볼 수 있다. 그러나 1962년에 4.8 g이었던 것을 생각하면 상당히 증가하였다. 식품수급표상에 나타난 국제 통계 비교치에서는 한국인의 1일 설탕공급량을 99g 으로 잡고 있어 실제로는 한국인들의 설탕섭취량이 상당한 수준으로 올라왔음을 짐작케 한다. ISO의 국제 비교에서는 1년 1인 소비량이 22.7kg으로 전 세계 국가 평균 소비량을 상회하고 있다. 아동의 가공식품 소비로 인한 설탕섭취량은 급속히 증가하였고, 현재 급속히 증가하고 있는 아동비만 현상과도 관련이 있다. 1995년에 행해진 초등학생들의 설탕섭취실태자료를 통해 볼 때 이미 10년 전에도 도시지역이 아닌 농촌 지역 아동의 설탕섭취량이 이미 60 g 이상을 넘어서고 있었고 급원식품에서 성인들이 주로 과일류 의존이 높았던 반면 아동들은 간식류에서의 설탕섭취가 매우 높았다. 따라서 연령별로 매우 자세한 간식 목록에 의거한 설탕섭취량 조사가 무엇보다도 필요하다. 현재 한국의 식품성분표에는 다양한 한국음식에 대한 설탕함량 Database가 없으므로 미국의 USDA Database를 기초로 한국 식품의 설탕 함량을 추론해야 하는 어려움이 있다. 따라서 다양한 한국음식의 설탕함유량에 대한 Database구축이 무엇보다도 필요하다고 보인다.

• Journal of the Korean Society of Earth Science Education
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• v.8 no.1
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• pp.66-75
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• 2015

This study is to investigate an argumentation level for elementary school students after analysing an argumentation structure about a socio scientific issue(SSI), and inquire a change of the decision-making according to the refutation materials and empathic situation. This data was collected from the semi-structured interview with the 14 students, grade 6th. For this, the first stage is to present the reading materials about the SSI to the students, let them decision-making and make them argue pro and con about the SSI during the interview. After that, facing with the refutation materials against the existing contention and the empathic situation, the change of the decision-making of the students was conducted. After the research, the level of the argumentation of the students was low, and the students who didn't have the background knowledge about the theme made the decisions according to the values, emotions or intuitions of their own. And the decision-making of the students changed more when presented with the refutation materials and the empathic situation, they were difficult to make the decision because of new information and various stances. Besides, they lacked in the ability that recognize the situation related with their own life, just used the fragmentary knowledge associated with value of life respect. Through these result, it is necessary to produce the refutation materials and empathic materials about the SSI to the students for improving the level of argumentation.

• Journal of Korea Game Society
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• v.15 no.3
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• pp.63-78
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• 2015

This study explored parental mediation strategies of children's online gaming and their relevant variables which could influence on them. A survey to 379 parents with elementary, middle, highschool, and college aged children revealed 7 distinctive parental mediation strategies of children's online gaming, that is, 'instructive', 'co-playing', 'rule-based', 'restrictive', 'technological', 'government regulation-dependent', and 'active guidance' mediation. Also, the results showed that there was significant relation between the parental mediation strategies, characteristics of parents, and characteristics of children. This study holds its significance in identifying the parental mediation types reflecting media characteristics of online games and Korean social and cultural context.

• Journal of the Korean Society for Library and Information Science
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• v.56 no.4
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• pp.399-430
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• 2022

The purpose of this study is to identify the problems of the e-book composition provided by the Comprehensive Reading Education Support System and to propose a service improvement plan related to the establishment of e-books in school libraries as educational resources based on practical issues and perceptions experienced by teacher-librarians. As a research method, the composition of the collection of 3,002 e-books supported by the Busan Comprehensive Reading Education Support System as a reading education platform of the school library was analyzed based on the Korean Decimal Classification. Based on this, two focus group interviews (FGI) were conducted with 4 elementary teacher-librarians and 5 secondary teacher-librarians working in Busan. The result of this study can be used as basic data to support students' reading activities using e-books as educational resources and to form an efficient e-book collection in school library.

• Journal of The Korean Association For Science Education
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• v.33 no.7
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• pp.1367-1384
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• 2013

The purpose of this study was to develop a Science Academic Emotion Scale for Elementary Students. To make a scale, authors extract a core of 14 emotions related to science learning situations from Kim & Kim (2013) and literature review. Items on the scale consisted of 14 emotions and science learning situations. The first preliminary scale had 174 items on it. The number of 174 items was reduced and elaborated on by three science educators. Authors verified the scale using exploratory factor analysis, confirmatory factor analysis, inter-item consistency and concurrent validity. The second preliminary scale consisted of 141 items. The preliminary scale was reduced to seven factors and 56 items by applying exploratory factor analysis twice. The seven factors include: enjoyment contentment interest, boredom, shame, discontent, anger, anxiety, and laziness. The 56 items were elaborated on by five science educators. The scale with 56 items was fixed with seven factors and 35 items to get the final scale by applying confirmatory factor analysis twice. Except for Chi-square and GFI (Goodness of Fit Index), other various goodness of fit characteristics of the seven factors and 35 items model showed good estimated figures. The Cronbach of the scale was 0.85. The Cronbach of seven factors are 0.95 in enjoyment contentment interest, 0.81 in boredom, 0.87 in shame, 0.82 in discontent, 0.87 in anger, 0.77 in anxiety, 0.81 in laziness. The correlation coefficient was 0.59 in enjoyment contentment interest, 0.54 in anxiety, 0.42 in shame, and 0.28 in boredom, which were estimated using the Science Academic Emotion Scale and National Assessment System of Science-Related Affective Domain (Kim et al., 1998). Based on the results, authors judged that the Science Academic Emotion Scale for Elementary Students achieved an acceptable validity and reliability.

• Journal of The Korean Association For Science Education
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• v.31 no.5
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• pp.788-800
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• 2011

The purpose of this study was to investigate the elementary school teachers' perception of science writing. In this study, 10 elementary school teachers who have taught in the 3rd or 4th grade science lesson in 2010 were selected. Researchers constructed interview guide in three parts including the teachers' understanding of science writing, the status of science writing teaching and the difficulties of science writing in their classes. For the investigation, semi-structured in-depth interviews with 10 elementary school teachers were conducted individually. The results showed that the elementary school teachers were unfamiliar with the word ‘science writing’ and considered science writing as a writing using science learning contents. Also, they think that teaching science writing in their science lessons was not needed and didn't assess and provide detailed feedback with the students' written works. Most teachers needed teaching materials and assessment tools for science writing. To develop elementary teachers' understanding of the value and use of writing for learning in science, they will need to participate in science writing programs for in-service teachers and various teaching materials and assessment tools should also be developed.

• Korean Journal of Social Welfare Studies
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• v.49 no.2
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• pp.159-180
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• 2018

The purpose of this study is to identify the trajectories in the use time of children from community children centers and to examine the predictive factors and developmental factors related to each trajectory. The data were derived from the second stage of the Community Children Center Panel Survey using from the first wave (2014) to the third wave (2016). A total of 606 samples were selected from the forth to sixth grades of elementary school. Latent class growth model was employed to identify the trajectories, and the multinominal logistic regression and the logistic regression analysis were used to examine predictive factors and developmental factors. Main results indicated that three types of trajectory were identified: high using group, low using group, and high initial using-rapid declining group. Sex, parental supervision, and use duration were found to be significant predictors. Regarding developmental factors, children who constantly use the community children centers were more likely to increase academic performance and school adaptation. However, no significant results were found for aggression and delinquent behaviors. Based on these findings, this study have suggested the future direction of the community children center.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.12 no.2
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• pp.759-764
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• 2011

This study was conducted to provide the basic data for the health management of the primary school, by finding and analyzing the factors affecting the degrees of atopic dermatitis symptom's severeness. The subjects of our study were collected 273 pupils mothers, whose children are undergoing through the atopic symptoms. The investigation process took the entire month of the November in 2006. The result of the older the pupils, the severer their symptoms(p<0.05). The longer the period(p<0.01), the more widely spread over the body, and the severer the symptoms(p<0.01). In the dietary habit, the more meat they eat, the severer the symptom(p<0.05). and in relation to the eating the food outside home, the more frequently they eat the fast-food, the severer the symptom. In the multiple logistic regression analysis, using the degrees of atopic dermatitis symptom's severeness as the dependent variables. it is discovered that the longer infection period they have and the more frequently they have the fast-food, the severer the symptom of the atopic dermatitis. The parent's love for the child, the monthly cost for the management of the infection, and the parent's feeling toward the child, can have a greate influence on the physical health, the feelings and the relation with the friends of the infected child, when the child shows the symptoms of scratching his skin. The conclusions of When all the results above are put together, the dietary habit of eating the meals mostly prepared with the meat should be corrected, and the education to form the pupil's right dietary habit, such as, putting the limit on the fast-food, must be made, in order to prevent the symptom of the atopic dermatitis from getting worse. And by the recognizing the atopic dermatitis as the family health problem, the comprehensive family health management, including the mother should be made.