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A Case Study of Change in Practical Knowledge of Elementary School Teachers: Focused on Science Class for the Gifted (초등교사의 실천적 지식 변화에 대한 사례 연구: 과학영재수업을 중심으로)

  • Chung, Jung-In;Yoo, In-Sook
    • Journal of Gifted/Talented Education
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    • v.20 no.1
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    • pp.317-346
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    • 2010
  • The purpose of this study was to investigate the changes in teachers' recognition of science class and children for the gifted, and the process of changes in their practical knowledge after the experience of science class and conversation with colleague teachers. Two elementary teachers, teacher A and B, were selected as subject of investigation, who wanted to improve their science class. They experienced the process of self-examination during their class and from class conversations. Teacher A has 10 years of teaching experience. She has been in contact with gifted children and observed them since undergraduate. She entered the graduate school since she came to be interested in science class and children for the gifted. While teacher B has only three years of teaching experience and had a first contact with the gifted after graduate school. The results of this study are as follows. Teacher A didn't change recognition of gifted children class by class conversation in short term because she had a firm faith in good class teaching and was rich in class teaching knowledge. And, her practical knowledge was applied to the next class by changing teaching method or by supplementing her class contents in concerned part through class observation and class conversation with her colleagues. Teacher B was characterized as being lack of class confidence and concerned more about subject knowledge. She was forming a new practical knowledge along with new class teaching knowledge. Teacher B was in trouble with applying new practical knowledge to next class. From such findings, it was concluded that the process of changing or forming of practical knowledge depends on the beliefs, values, experiences, or knowledges of each teacher. A reflection on one' own class teaching could be a good way to form a practical knowledge and improve teaching speciality, when it was concerned with self-reflection of their own class, class observation, and communication with colleagues. Thus, the reflection practice could be applied to the teaching program of teachers for the gifted to form practical knowledge through trial class, self-reflection of class, and conversation with colleagues.

The Conditions of Patients' Oral Health and Their Quality of Life at 'E' College Dental Practice (E대학 실습환자의 구강건강관리실태와 삶의 질에 대한 조사)

  • Kim, Ki-Eun;Choi, Moon-Sil;Han, Ji-Hyoung
    • Journal of dental hygiene science
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    • v.7 no.3
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    • pp.141-146
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    • 2007
  • A questionnaire survey of patients for practical training of dental hygiene department of E college was conducted from August 28th 2006 to December 8th 2006. Before scaling, the purpose of the study and the questionnaires were fully explained and the patients were requested to complete the questions personally. The survey were conducted under their consent and 256 copies were collected and used for the analysis. The survey shows the patients' habit for oral health care according to the gender and age and their standards for the quality of life. 1. For gender, male occupied 117(45.7%) and female occupied 139(54.3%). For age, 158 of the patients were in their twenties(61.7%) and 60 of them were aged from 10 to 19(23,4%). 16 patients were aged from 40 to 49(6.3%) and 11 patients were aged from 30 to 39(4.3%) and the number of patients who are older than 50 was 11(4.3%). 2. For the mouth health care, according to gender, 37.6% of male answered that they had scaling and 46.8% of female patients answered that they had scaling experiences. Without distinction of gender, most patients answered they brushed their teeth twice a day. For 91.5% of male patients and 89.9% of female patients answered that they brushed their teeth after meals. Also, 41% of male patients and 53.2% of female patients use rolling method. For using mouth aids, 68.4% of male patients and 65.5% of female patients do not use any aids. 3. For brushing way, most teenagers and patients in their twenties use rolling method and patients older than thirty use vertical and horizontal method. The frequency of brushing shows that most of the respondents brush their teeth twice a day after meals. 4. The standard of quality of life according to gender, under 'clear pronunciation' head, male patients mark 4.42 points and female patients mark 4.17 points. Under 'every day going out' head, male patients mark 4.53 points and female patients mark 4.29 points. Under 'maintenance of emotion' male patients mark 4.27 points and female patients mark 4.27 points. 5. The standard of quality of life according to age, teenage patients show 4.28 points under 'having meals' and under 'clear pronunciation' head, patients in their forties mark 4.44 points. Under 'keeping teeth or denture clean' head, patients in their thirties mark 4.55 points. Patients in their fifties show the lowest grades in most questionnaires.

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Efficacy of a Preoperative Concurrent Chemoradiotherapy for the Locally Advanced Unresectable Rectal Cancer (국소진행성 직장암에서 수술 전 방사선 및 항암화학 동시요법의 효과)

  • Cho Jae Ho;Seong Jinsil;Keum Ki Chang;Kim Gwi Eon;Suh Chang Ok;Roh Jae Kyung;Chung Hyun Cheol;Min Jin Sik;Kim Nam Kyu
    • Radiation Oncology Journal
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    • v.18 no.4
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    • pp.293-299
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    • 2000
  • Purpose :We conducted a prospective non-randomized clinical study to evaluate the efficacy and toxic of the preoperative concurrent chemoradiotherapy for locally advanced unresectable rectal cancer. Materials and Methods: Between January 1995 and June 1998, 37 conecutive patients with locally unresectable advanced rectal cancer were entered into the study. With 3- or 4- fields technique, a total of 45 Gy radiation was delivered on whole pelvis, followed by 5.4 Gy boost to the primary tumor in some cases. Chemotherapy was done at the first and fifth week of radiation with bolus i.v. 5-Fluorouracil (FU) 370$\~$450 mg/m$^{2}$, days 1$\~$5, plus Leucovorin 20 mg/m$^{2}$, days 1$\~$5. OF 37 patients, 6 patients did not receive all planned treatment course (refusal in 4, disease progression in 1, metastasis to lung in 1). Surgical resection was undergone 4$\~$6 weeks after preoperative concurrent chemoradiotherapy. Results :Complete resection rate with negative margins was 94$\%$ (29/31). Complete response was seen in 7 patients (23$\%$) clinically and 2 patients (6$\%$) pathologically. Down staging of tumor occured in 21 patients (68$\%$). Treatment related toxicity was minimal except grade III & IV leukopenia in 2 patients, respectively. Conclusion : Preoperative concurrent chemoradiotherapy in locally advanced rectal cancer was effective in inducing down staging and complete resection rate. Treatment related toxicity was minimal. Further follow up is on-going to determine long term survival following this treatment.

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Discussions about Expanded Fests of Cartoons and Multimedia Comics as Visual Culture: With a Focus on New Technologies (비주얼 컬처로서 만화영상의 확장된 장(場, fest)에 대한 논의: 뉴 테크놀로지를 중심으로)

  • Lee, Hwa-Ja;Kim, Se-Jong
    • Cartoon and Animation Studies
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    • s.28
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    • pp.1-25
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    • 2012
  • The rapid digitalization across all aspects of society since 1990 led to the digitalization of cartoons. As the medium of cartoons moved from paper to the web, a powerful visual culture emerged. An encounter between cartoons and multimedia technologies has helped cartoons evolve into a video culture. Today cartoons are no longer literate culture. It is critical to pay attention to cartoons as an "expanded fest" and as visual and video culture with much broader significance. In this paper, the investigator set out to diagnose the current position of cartoons changing in the rapidly changing digital age and talk about future directions that they should pursue. Thus she discussed cases of changes from 1990 when colleges began to provide specialized education for cartoons and animation to the present day when cartoon and Multimedia Comics fests exist in addition to the digitalization of cartoons. The encounter between new technologies and cartoons broke down the conventional forms of cartoons. The massive appearance of artists that made active use of new technologies in their works, in particular, has facilitated changes to the content and forms of cartoons and the expansion of character uses. The development of high technologies extends influence to the roles of appreciators beyond the artists' works. Today readers voice their opinions about works actively, build a fan base, promote the works and artists they favor, and help them rise to stardom. As artist groups of various genres were formed, the possibilities of new stories and texts and the appearance of diverse styles and world views have expanded the essence of cartoon texts and the overall cartoon system of cartoon culture, industry, education, institution, and technology. It is expected that cartoons and Multimedia Comics will continue to make a contribution as a messenger to reflect the next generation of culture, mediate it, and communicate with it. Today there is no longer a distinction between print and video cartoons. Cartoons will expand in every field through a wide range of forms and styles, given the current situations involving installation concept cartoons, blockbuster digital videos, fancy items, and characters at theme parks based on a narrative. It is therefore necessary to diversify cartoon and Multimedia Comics education in diverse ways. Today educators are faced with a task to bring up future generations of talents who are capable of leading the culture of overall senses based on literate and video culture by incorporating humanities, social studies, and new technology education into their creative artistic abilities.

A study on the present condition of family planning and the status of health and nutrition in Wido islanders (낙도주민(落島住民)의 가족계획(家族計劃) 현황(現況)과 건강(健康) 및 영양실태(營養實態)에 관(關)한 연구(硏究) (I))

  • Lee, Geum-Yeong;Kong, Yeong-Ja
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.8 no.1
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    • pp.51-62
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    • 1979
  • Due to the relatively high number of members and low income in each family, Wido inhabitants take very low nutrition. The result indicates that nutrition at the present time is generally lower than that of 1973 with the exception of fat. Consequently, the degree of body development of primary and junior high school students has not generally reached the standard in Korea, that was collected from Gyeongido, Korea and from Japan, of the corresponding grade students as well as the Hb content is significantly insufficient. As the body development of 12-year-old children grown at home and nursery, and attending the sports school are compared with that of the Korean standard and Wido students, the body development of Wido students is similar to the Korean standard, and slighly better than that of the sports school students by three years. Health is important as said that health power is nation's power. In order to maintain good health, the normal level of body development and Hb content is necessary for which the recommended daily nutrition for each person should be taken. In addition, the present status and importance of body development and nutrition should be fully educated the primary and junior high school students as well as directly to the inhabitants.

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Proposal for Amendment of the Basic Environmental Policy Act ('BEPA') Article 31 (환경정책기본법 제31조 무과실책임규정의 개정방안)

  • Koh, Moon-Hyun
    • Journal of Environmental Policy
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    • v.8 no.4
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    • pp.125-147
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    • 2009
  • The Basic Environmental Policy Act (BEPA) (Law No. 4257 effective 1. August 1990) sets forth the basic policies and administrative framework for environmental preservation, leaving more detailed regulations, and emission controls to separate laws targeting air, water, and solid waste, etc. The BEPA Article 31 adopts an unprecedented strict liability standard for damages as an absolute liability. The BEPA Article 31 provides for liability as follows. If a company is alleged to have caused damage through pollution of the environment, it will be liable for damages unless it can show that the pollution did not cause damages, or that it did not actually cause pollution. If the company did cause pollution, and if the pollution is the cause for the damages in question, the company will be liable irrespective of whether it was negligent or otherwise at fault. If there are two or more companies involved in the pollution, but it is unclear which company caused the damages, all of the companies will be jointly and severally liable for the damages. In this paper, the author attempts to uncover the problems of BEPA Article 31 and then seeks desirable amendments by comparing it to the German Environmental Liability Act. First, it will be necessary to provide definitions of 'companies etc.'. Second, it will be necessary to enumerate the kinds of company facilities. Third, it will be necessary to provide exclusionary clauses on material damages. Fourth, it will be necessary to show 'presumption of cause and effect'. Fifth, it will be necessary to provide a clause on 'right to information'. Sixth, it will be necessary to provide a clause for force majeure. Seventh, it will be necessary to take measures to secure abundant liability for damages which can be caused by the owner of the facility, the potential polluter. Finally, it is appropriate that Korea now legislate an Environmental Liability Act akin to the German Environmental Liability Act.

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Exploration, Conflicts, Challenges, and Changes: A Teacher Educator's Self-Study for Secondary School Physics Instruction Course (탐색, 갈등, 도전, 그리고 변화 -물리교과교육 수업을 위한 한 교사교육자의 셀프스터디-)

  • Choi, Jaehyeok;Jo, Kwanghee;Joung, Yong Jae;Kim, Heekyong
    • Journal of The Korean Association For Science Education
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    • v.36 no.5
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    • pp.739-756
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    • 2016
  • The purpose of the study is to reflect on 'myself' as a teacher educator of college of education in depth and to improve my instruction through self-study with three critical collaborators. 17 pre-service science teachers and I have participated in this study of a teacher educator's course since March 2016 after the preliminary practice in 2015. The video recorded the course for 11 weeks with about 40 hours of lessons. The data source also included teacher educator's reflective journals, lecture evaluations, online boards and so on. Questionnaires were distributed and answered both at the beginning and at the end of the course and pre-service teachers wrote their reflective journals. Four of them were in the focus group interviews. During the course, the weekly group meeting of critical collaborators analyzed the emerging issues based on the lesson clips and teacher educator's reflective journals with discussion for the course innovation. Four phases were revealed in the process and for the purpose of the course such as exploration, conflicts, challenges, and changes. The results showed that first, we identified tensions among the teacher educator's multiple identities as a lecturer, a faculty member, and a researcher. Second, there were differences between goals of teacher educator and pre-service teachers in the course, and this obstructed the success of the course sometimes. Third, these practices led to explore balanced alternative views and interpretations of the problem by critical views and to expand and improve our teaching practice and thinking. In addition, the self-study with critical collaborators helped to bring conflicts and issues below my practice to light for collaborative reflection and it gave a chance to understand ourselves as teacher educators in different ways.

The Settlement of Conflict in International Space Activities (우주활동에 있어서 분쟁의 해결과 예방)

  • Lee, Young-Jin
    • The Korean Journal of Air & Space Law and Policy
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    • v.25 no.1
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    • pp.159-203
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    • 2010
  • Together with the development of space science outer space law has become one of the most rapidly developing branches of international law. This reflects a general realization that these new activities must be subject to reasonable legal regulation if they are to serve the peaceful purposes of mankind without undue confusion and disorder. The exploration and use of outer space introduces many novel opportunities and dilemmas, and inspired insights are needed in the development of this new resource. In particular, the settlement of space law disputes is a relatively new discussion in international law. However, the significance of the settlement of space law disputes was acknowledged in various colloquia organized by legal academicians and practitioners around the world. Analysis of the dispute settlement provisions in space agreements plainly reveals the degree to which States persist to be mistrustful of any impingement to their sovereignty. They are reluctant to submit disputes to adjudication and binding arbitration, particularly when these provisions are negotiated between States which have dissimilar political, economic and social interests and demography. However, there is a slow but clear shift in this attitude as States realize the contemporary political, economic and technical pressures necessitating the lifting of the veil of State sovereignty. The development of an effective mechanism for the settlement of disputes arising in relation to the development of the exploration and exploitation of outer space has been the subject of global study by highly qualified publicists and international institutions. The 1972 Liability Convention is the space treaty with the most elaborate provisions for dispute settlement. However, it fails to ensure binding decisions. In this point, the 1998 Taipei Final Draft Convention may be a useful instrument for further consideration on whether an independent sectorialized dispute settlement mechanism should be established. Considering these circumstances it seemed essential to take legislative action to implement a system as comprehensive as the relevant legal framework are in the Law of the Sea and International Criminal Law mechanisms for dispute settlement and conflict avoidance from outer space activities.

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A Study on Needs of Teachers in Community Children's Centers for Oral Health Education in Incheon (인천광역시 지역아동센터 교사의 구강보건교육 요구도 조사)

  • Kim, Jin-Hee;Kim, Hyun-Jin;Kim, Hye-Jin;Park, Ji-Hye;Bang, Woo-Ri;Shin, Hye-Ju;Han, Su-Jin
    • Journal of dental hygiene science
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    • v.11 no.6
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    • pp.505-512
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    • 2011
  • The purpose of this study was to examine the oral health behavior and awareness of teachers in community children's centers, the state of oral health care among children in the centers and the opinions of the teachers on child oral health education in a bid to gather information required for the development of oral health education programs geared toward community children's center teachers. The subjects in this study were 178 teachers who worked in 98 community children's centers in the city of Incheon. After a survey was conducted from April 28 to June 4, 2010, the collected data were analyzed. The findings of the study were as follows: The 57.3% of the teachers investigated provided toothbrushing guidance from time to time or couldn't do it at all. As for the reason why toothbrushing guidance was scarcely conducted, the largest group cited shortage of sinks(27.5%) as the reason, and the second biggest group replied they couldn't afford to pay attention to that due to heavy workload(20.6%). The third greatest group was pressed for time(16.7%). The teachers got a mean of 3.27 in oral health behavior, and 87.7% were concerned about children's oral health. The group of teachers who ever received oral health education was significantly better at oral health behavior and showed significant more interest in oral health(p<0.01). The 97.2% of the respondents considered oral health important. Concerning the reason, they replied it was crucial for systemic health (74.2%). The 89.4% of the teachers viewed child oral health education as necessary, and 86.5% had an intention to provide oral health education for children. They hoped to receive education on the oral health control act(4.52) and the prevention of dental caries(4.40). The above-mentioned findings confirmed that in order to step up the oral health promotion of child users of local children's centers, it's necessary to provide secondhand education for them through their teachers who have a great impact on them. Therefore the development of oral health education programs that cater to local children's center teachers is required.

Bush Growth and Fruit Quality of 'Duke' Blueberry Influenced by Nutritional Composition in Unheated Plastic House (블루베리 '듀크' 품종의 무가온 하우스 재배에서 질소비율 조절에 따른 수체생육 및 과실품질 변화)

  • Cheon, Mi Geon;Kim, Yeong Bong;Hong, Kwang Pyo;Kumar, H.M. Prathibhani C.;Kim, Jin Gook
    • Journal of Bio-Environment Control
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    • v.27 no.4
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    • pp.319-325
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    • 2018
  • The aim of the present study was to determine the influence of different fertilizer combinations on the growth, yield, and fruit quality of 'Duke' blueberry cultivar and the water quality of growth medium. The experiment was carried out with three year old 'Duke' blueberry bushes which were cultivated in containers ($60{\times}80{\times}40cm$) filled with 130 L peat moss and 40 L pearlite (v/v). Sawdust was used as the mulch in growth containers. Three different fertilizer combinations (FC) i.e., FC-1 consisted with standard solution, FC-2 consisted with nitrogen reduced by 10% from FC-1, and FC-3 consisted with nitrogen reduced by 20% from FC-1 were tested while, the ground water used as the control. The effects of different fertilizer combinations on shoot diameter, shoot length, number of shoots, leaf length, SPAD value (the relative content of chlorophyll), berry weight, soluble solids content, titratable acidity, and yield per bush in 'Duke' blueberry were examined. Also, the effects of different fertilizer combinations on pH, EC, $NH_4$ and $NO_3$ in 'Duke' blueberry growth medium were monitored. The highest pH and lowest EC, $NH_4$ and $NO_3$ in growth medium was recorded with control treatment during the experiment period. The maximum shoot diameter (3.7 mm) and shoot length (35.7 cm) was recorded for the FC-1. Highest number of shoots (47%) were recorded from 'Duke' blueberry bushes supplemented with FC-1 compared to other treatments. The fertilizer combinations supplemented with nitrogen showed significant influence on leaf length and SPAD value compared to control 'Duke' blueberry bushes. However, the fruit quality attributes, i.e., berry weight, soluble solids content, and titratable acidity were not significant different among fertilizer treatments. The significantly highest yields per bush were recorded for FC-1, FC-2, and FC-3, as 2.2, 2.9, and 2.7 kg, respectively compared to control (0.2 kg). Although, the FC-1 was supplemented with highest nitrogen content it resulted low yield per bush while having high number of shoots and vigorous growth.