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연구논문 : 체험중심 과학 캠프 프로그램의 개발 및 적용
김창만 ( Chang Man Kim ),차정호 ( Jeong Ho Cha ),김인환 ( In Whan Kim ),최정훈 ( Jung Hoon Choi ),황북기 ( Book Kee Hwang ) 경북대학교 과학교육연구소 2011 科學敎育硏究誌 Vol.35 No.1
본 연구에서는 학교 밖 탐구활동의 실태 분석 결과와 수공적 기능이 강조된 HASA 교육과정 기준안에 근거하여 개발된 체험 중심 과학 캠프 프로그램을 적용하였다. 따라서 과학캠프 프로그램을 개발하여 적용한 후, 과학 캠프에 참여한 학생들의 반응에 기초하여 체험 중심 과학 캠프 활동 프로그램의 타당성을 검증하였다. 과학캠프 프로그램을 개발하여 적용하는 과정에 대해서는 캠프에 참여한 학생들이 캠프 기간 중에 작성한 탐구 보고서와 캠프가 끝난 후 인터넷에 올린 소감을 바탕으로 지식, 탐구, 수공적 기능, 태도 영역으로 구분하여 분석하였다. 그리고 사전·사후 설문지를 통해 과학캠프 프로그램 구성 영역과 캠프 프로그램의 타당성을 검증하고, 캠프에 참여한 학생들의 과학관련 태도 변화를 조사하였다. 과학 캠프 프로그램의 적용 결과, 과학지식의 이해 증진과 탐구능력 향상을 목적으로 하는 과학 캠프 프로그램의 개발에 있어서 내용면에서는 학생의 흥미와 참여를 고려하여 실생활과 첨단과학을 연계한 주제로 개발하고, 활동 면에서는 학생들이 직접 조작해보는 체험활동 및 선의의 경쟁심을 유발하는 과학경연 형태의 비중을 높일 필요가 있는 것으로 나타났다. 따라서 과학교육연구센터와 같은 과학교육 연구를 수행하는 기관들의 인적 체계나 경제적 지원을 보완하여 지속적인 과학 캠프 프로그램을 개발할 필요가 있다. 또한 공교육 차원에서 체험 중심 과학 캠프와 같은 학교 밖 탐구활동에 대하여 보다 적극적인 연구와 현실적인 노력을 실행한다면, 과학에 대한 학생들의 부정적 인식이나 이공계 기피 현상 등의 문제점들을 개선하는데 긍정적인 영향을 줄 것이라는 의미를 갖는다. In this study the authors developed the practice-centered science camp program which was based on the review of out-of-school scientific activities and the standards of HASA (Hands, Head and Heart At Science Activity) curriculum emphasizing on hands-operated skills. After applying this science camp program we confirmed the validity of the program based on the students` responses at the camp. Using students` reports written during the camp and their essays written on the web-site after camp, we analyzed students` responses into four categories; knowledge, inquiry, hands-operated skills, and scientific attitudes. Also we evaluated the components of the science camp programs and students` perception of science and science-related attitudes using a questionnaire before and after the camp. In terms of contents and activities for the development and application of science camp, our result showed that the science camp program should be complemented to connect real life with high-tech science and include more activities related hands-operated skills and competition activities evoking constructive competitive spirits. In conclusion, we can infer that the agencies which take parts of the national policy enterprise related science education, such as Scientific Education Research Center, must develop and specialize science camp program with more competitive human resource system and economic support. Science educators should give more attention on joining school science education with out-of-school science education, which might have a positive effect on students` attitudes and participation toward science.
한우 교육프로그램 적용 결과 분석을 통한 경영 교육프로그램의 개발 준거 -경북지역을 중심으로-
김창만 ( Chang Man Kim ),최정훈 ( Jung Hoon Choi ),최인학 ( In Hag Choi ) 한국환경과학회 2012 한국환경과학회지 Vol.21 No.5
The goal of this study was to investigate the distribution chart of management and satisfaction through Hanwoo education program and to provide fundamental data and development conformity available on the management and educational program to managers. In this study, we chose 75 managers taking part in Hanwoo education program as pre-test and applied satisfaction for education program to 33 managers randomly selected as post-test. The results of this study are as follows: First, age and academic career had a significant (P< 0.05) effect on breeding size, breeding career, sales, and management methods. This may be due to the fact that managers in Hanwoo industry tended to raise academic standards and the age group moved towards young age rather than middle and old ages. However, an academic career was unaffected by sale and management methods. Second, managers who randomly selected the education program showed higher satisfaction about the program and lower or usual interest and intention in the educational environment, incidental facilities, and reviews. In conclusion, to equip the constituent parts of education program with entire propriety and an effective running system, information on breeding size and breeding career for managers in Hanwoo Industry with respect to age and academic career had to be clearly premeditated. It also needed the educational program to look at it from the standpoint of the managers.
연구노트 : 케이지 사육에서 방사사육으로 전환한 산란노계의 가슴살과 대퇴부살에 포함된 지방산 함량의 비교 조사
김창만 ( Chang Man Kim ),최정훈 ( Jung Hoon Choi ),최인학 ( In Hag Choi ) 한국환경과학회 2012 한국환경과학회지 Vol.21 No.6
The objective of this study was undertaken to investigate changes in fatty acid profile of breast and thigh muscle of old laying hens as transferred from cage to backyard raising system and to provide basic information on using old laying hens to producers for environmental managements. Overall, percentages of unsaturated fatty acid obtained from breast and thigh muscle with cage and backyard raising system are the most abundant, followed by saturated fatty acid. For breast muscle, there were no differences (P>0.05) between cage rearing system and backyard raising system in saturated fatty acid (SFA) and mono unsaturated fatty acid (MUFA). Poly unsaturated fatty acid (PUFA) and PUFA: SFA ratios were significantly higher in backyard raising systems in comparison with cage rearing systems (P<0.05). No differences (P>0.05) were detected between both rearing systems for MUFA, PUFA, and PUFA: SFA ratios with thigh muscles. SFA in thigh muscle was significantly (P<0.05) higher in cage rearing systems compared with backyard raising systems. In conclusion, using breast and thigh muscle meats from old laying hens as functional foods or investigating impact assessment on the improvement of farm management system may serve as a good management practice to encourage producers.
산란계 사료에 홍삼박 분말을 첨가 시 계란 신선도 향상에 관한 연구 -현장연구를 중심으로-
최정훈 ( Jung Hoon Choi ),김창만 ( Chang Man Kim ),최인학 ( In Hag Choi ) 한국환경과학회 2015 한국환경과학회지 Vol.24 No.9
This study was conducted to evaluate the effects of red ginseng marc powder on egg freshness in laying hens during 4 weeks. A total of 60 Hy-line Brown laying hens, 50 week of age, were randomly assigned to 2 groups with diets containing 0% and 2% red ginseng marc powder. There were 3 replications per group with 10 laying hens per pen. Throughout the period of the trial, there were no effects of red ginseng marc powder on egg weight (but not 4 weeks). Haugh Unit (HU) values were observed by showing significant differences between red ginseng marc powder and controls at 0 and 4 weeks, except for HU at 1 through 3 weeks. For egg yolk color, red ginseng marc powder has no difference in comparison with controls at 0, 3 and 4 weeks (but not 1 and 2 weeks). In conclusion, the dietary supplementation with 2% red ginseng marc powder improved HU values throughout the experiment.