• Title/Summary/Keyword: 학교과학탐구

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Inquiry Learning in the high School Biology: Status Survey and Problem Analysis (고등학교 생물과 탐구 학습의 실태 조사와 문제점 분석)

  • Chung, Kun-Sang;Hur, Myung
    • Journal of The Korean Association For Science Education
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    • v.13 no.2
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    • pp.146-151
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    • 1993
  • This study analyzed the problem associated with inquiry centered science education and formulated some improvement Strategies for inquiry learning in the standard Korean high school course. In order to attain the goals of questionaire survey methods were used. To examine the current status of biology education, seperate questionaires were developed through an educational research and development procedure used for tearchers and student. The questionaires were developed to ask about instruction and evaluation methods, the level of inquiry learing and abstacles to it. Here are some of our results: 1) Biology instruction and learning is more knowledge-orinted than inquiry-orinted, 2) Inquiry approach in science teaching is hard to be applied because of crowed classroom conditions. 3) The material is too broad in range and too difficult in content. There is virtually nothing that can be related to everyday life. The material focusing on inquiry activities is unsatisfactorily selected and organized. 4) Effective methods of inquiry-based instruction and evaluation are not available. 5) Biology teachers are burdened with too many class hour a week and too many varieties of additional works. 6) 91.1% of biology teachers and 90.3% of students recognize that lab and field works are needed to enhance inquiry learning. However, in reality, such inquiry activities are lacking. 7) 73.3% of schools have no lab assistants. 8) The university entrance examination is the greatest factor against inquiry learning. 9) There are very few chances of in-service education for biology teachers to learn more about biology curriculum and science education theory.

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The Comparative Analysis of Inquiry Activity in Primary Science Curricular Materials of Korea and SCIIS (한국의 국민학교 자연 교과서와 SCIIS의 탐구 활동 버교 분석)

  • Kim, Jin-Yong;Chun, Wan-Ho;Hur, Myung
    • Journal of The Korean Association For Science Education
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    • v.13 no.1
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    • pp.56-65
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    • 1993
  • The purpose of this study is to analyze the inquiry activities of SCIIS and Korea primary school science curricular meterials and to make suggestions for the improvement of inquiry learning based on the analysis The Scientific Inquiry Evaluation Inventory (SIEI: Myung Hur, 1984) was used to evaluate the inquiry activity content of the primary school "Science, Level-6" and "SCIIS, Level-6" textbooks. The results are as follows: 1) The inquiry activities of Korean science textbooks are stressing on gathering and organizing data, but rarely require students to formulate a hypothesis, to design an experiment. 2) The SCIIS textbooks relatively tended to put more weight on interpreting/ analysing data and hypothesizing/ designing experiments. 3)The Korean science textbooks had little concern about establishing hypothesis and designing experiments, interpreting / analysing data. 4) The SCIIS textbooks require students to perform a variety of inquiry skills when compare to Korean science textbooks. 5) Competition / Cooperation Scale checks the level of competition and cooperation among student teams inherent in science curricular materials. The result from each team is incorporated into the formation of a class result. The communication is required to formulate a synthesized class response, enhances cooperation among teams. The SCIIS(84%) is the higher than Korea(50%) in cooperation scale. 6) Korean science textbooks rarely require students to discuss about experiment when compare to SCIIS textbooks. 7) Korean science textbooks provide students with both inquiry problems and experimental procedure, or including answers SCIIS textbooks provide students with both inquiry problems and experimental procedure, or problems only. 8) The Korean textbooks emphasize demonstrating or verifying of the text while the SCIlS emphasize extending the content of the text in inquiry scope scsle. The inquiry pyramid which helps analysis the inquiry activity curriculum as a whole is one of type 1- the course is centered on gathering and organizing data. The SCIIS are better than the Korean science textbook in the light of proportion of interpreting / analysing data and hypothesizing / designing experiments.

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Characteristics of Experimental Design and Evidence Choice of Elementary School Students in Problem Solving Process Related to Controlling Variable (변인통제 문제해결 과정에서 나타난 초등학생의 실험설계 및 증거제시 특성)

  • Kim, Sun-Ja;Choi, Byung-Soon
    • Journal of The Korean Association For Science Education
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    • v.25 no.2
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    • pp.111-121
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    • 2005
  • The purpose of this study was to analyze characteristics of experimental design and evidence choice of the elementary school students in problem solving process related to controlling variable. For this study, 96 6th grade students were selected and tested with Science Reasoning Task. This study revealed that the types of experimental design were categorized as variance of control variable, controlling of causal variable, perfect controlling variable, imperfect controlling variable, variance of all variable. Prior belief had a strong influence on student's experimental design. The types of evidence choice were categorized as perfect controlling variable, controlling causal variable, variance of causal variable. The degree of controlling variable in evidence choice process was much lower than that in experimental design. Most students tended to choose evidence according to prior belief without controlling variable. The results of this study implied that student's prior belief and characteristic of science process skills should be considered to develop program for promoting controlling variable ability.

Relationship between Behaviors and Satisfactions of Visitors at Natural History Museum (자연사 박물관 관람객의 관람유형과 관람만족도의 관계)

  • Choi, Ji-Eun
    • Journal of the Korean earth science society
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    • v.25 no.5
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    • pp.315-326
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    • 2004
  • The aim of this study is to investigate the relationship between visitors' behavior and their satisfaction at Natural History Museum (NHM). This study involves 204 participants including elementary, middle, and high school students, their teachers and parents, and university students from Korea. The results are tested using crosstabs and chi-square. The main results are as follows: First, dominant behavior involves visiting with family, visiting for leisure and just visiting, viewing exhibits utilizing explanation cards, and visiting for over 2 hours. Second, the degree of satisfaction tends to be high in visiting with family or alone, visiting for interest in science, and viewing exhibits utilizing explanation cards or explanation by a parent, teacher, or a guide. While, third, the degree of satisfaction tends to be low in visiting with a school group, visiting for leisure/just visiting, or visiting for homework research, and viewing exhibits without any guidance. Forth, the relationship between length of visits and degree of satisfaction is positively significant.

International Comparison of Korean Biology Gifted-Students (한국의 생물 영재 학생에 대한 국제적 수준 비교)

  • Shim, Kew-Cheol;Lee, Hyun-Uk;So, Keum-Hyun;Chang, Nam-Kee
    • Journal of The Korean Association For Science Education
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    • v.18 no.4
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    • pp.485-491
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    • 1998
  • In this study, the achievement of Korean biology gifted-students was compared with that of International Biology Olympiad(IBO) participants to explore international achievement level of biology and to suggest the need of teaching program for biology gifted-students. Korean thirty gifted-students were selected through test by Korean Biology Olympiad Committee. They examined theoretical test two times in January and March. 1998. Theoretical part consisted of eight domains as follows; cell biology. anatomy and physiology of plants, anatomy and physiology of animals, ethology. genetics and evolution, ecology, systematics, and microbiology. As a result, Korean biology gifted-students had lower achievement than IBO participants in eight domains. and especially much lower achievement in ethology and systematics. Though thirty Korean gifted-students were found to had much lower achievement than lBO participants, four higher rankers of them are in prospect of winning bronze medals. Thus, it is necessary to develope an appropriate teaching program for biology gifted-students with theoretical lectures and inquiry activities.

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Interaction Between Students and Generative Artificial Intelligence in Critical Mineral Inquiry Using Chatbots (챗봇 활용 핵심광물 탐구에서 나타난 학생과 생성형 인공지능의 상호작용)

  • Sueim Chung;Jeongchan Kim;Donghee Shin
    • Journal of the Korean earth science society
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    • v.44 no.6
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    • pp.675-692
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    • 2023
  • This study used a Chatbot, a generative artificial intelligence (AI), to analyze the interaction between the Chatbot and students when exploring critical minerals from an epistemological aspect. The results, issues to be kept in mind in the teaching and learning process using AI were discussed in terms of the role of the teacher, the goals of education, and the characteristics of knowledge. For this study, we conducted a three-session science education program using a Chatbot for 19 high school students and analyzed the reports written by the students. As a result, in terms of form, the students' questions included search-type questions and non-search-type questions, and in terms of content, in addition to various questions asking about the characteristics of the target, there were also questions requiring a judgment by combining various data. In general, students had a questioning strategy that distinguished what they should aim for and what they should avoid. The Chatbot's answer had a certain form and consisted of three parts: an introduction, a body, and a conclusion. In particular, the conclusion included commentary or opinions with opinions on the content, and in this, value judgments and the nature of science were revealed. The interaction between the Chatbot and the student was clearly evident in the process in which the student organized questions in response to the Chatbot's answers. Depending on whether they were based on the answer, independent or derived questions appeared, and depending on the direction of comprehensiveness and specificity, superordinate, subordinate, or parallel questions appeared. Students also responded to the chatbot's answers with questions that included critical thinking skills. Based on these results, we discovered that there are inherent limitations between Chatbots and students, unlike general classes where teachers and students interact. In other words, there is 'limited interaction' and the teacher's role to complement this was discussed, and the goals of learning using AI and the characteristics of the knowledge they provide were also discussed.

Gender Differences in TIMSS-R Science Achievement (TIMSS-R 과학 성취도에서의 성 차이)

  • Lee, Mee-Kyeong;Hong, Mi-Young;Jeong, Eun-Young
    • Journal of The Korean Association For Science Education
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    • v.24 no.6
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    • pp.1235-1244
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    • 2004
  • The purpose of the study was to produce resources to help develop instructional methods and programs for school science to reduce gender differences in science achievement by analyzing TIMSS-R results according to item type, benchmark, and content category. Korean male students performed higher than Korean female students and gender differences of Korean students were higher than international means in all item types including multiple-choice, short answer, and extended response type. GDI(Gender Difference Index) of Korean students was lower than international mean in top 10% benchmark but higher than international means in other benchmarks. Korean male students also exhibited higher performance than Korean female students in all content categories except scientific inquiry and the nature of science category. Regarding items that GDIs were higher than 10, the number of items belonged to life science and earth science category was relatively larger and a high percentage of them was not included in school science curriculum. In addition, the items were equally distributed in each performance category. In sum, the study showed various gender differences according to item type, benchmark, and content category. The results could be used to find appropriate instructional methods to reduce gender differences in science achievement.

Evaluation of Teachers and Students on VR/AR Contents in the Science Digital Textbook: Focus on the Earth and Universe Area for the 8th Grade (과학 디지털 교과서 실감형 콘텐츠에 대한 교사와 학생의 평가 -중학교 2학년 지구와 우주 영역 콘텐츠를 중심으로-)

  • Hyun-Jung Cha;Seok-Hyun Ga;Hye-Gyoung Yoon
    • Journal of The Korean Association For Science Education
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    • v.43 no.2
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    • pp.59-72
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    • 2023
  • This study analyzed a group interview with six earth science teachers and eight middle school students to find out the evaluations and criteria they use to evaluate VR/AR contents (two virtual reality content and two augmented reality contents) in middle school science digital textbook. The study found the VR/AR contents were evaluated on four criteria as follows: VR/AR media characteristics; technical operation; user interface; and teaching-learning design. The evaluations can be summarized by each criterion. First, regarding VR/AR media characteristics, interesting features of VR/AR contents were considered relatively advantageous compared to other media like videos. However, its shortage of visual presence and inconvenience of using markers were mentioned as shortcomings. Second, in the technical operation criteria, teachers and students found the following conditions as technically challenging: failing to properly operate on a particular OS; huge volumes of contents in the application; and frequent freezing when using the application. Third, poor intuitiveness and lack of flexibility were found as negative aspects in user interface. Fourth, regarding teaching-learning design, the teachers evaluated whether the VR/AR contents delivered scientifically accurate information; whether they incorporated class goals set by teachers; and whether they can help students' inquiry. It turned out teachers gave negative feedbacks on VR/AR contents. The students evaluated VR/AR contents by assessing whether they help them with learning science but concluded they did not regard them necessary in science learning at school. Based on the findings, this study discusses which development direction VR/AR contents should take to be useful in teaching and learning science.

Development and Evaluation of Criterion-Referenced Performance Assessment Items Based on the 7th National Science Curriculum -Subject Unit of Reproduction and Biological Accumulation- (제7차 교육과정에 근거한 준거지향적 수행평가 문항의 개발과 평가 -고등학교 과학 "생식"과 "생물 농축" 단원을 중심으로-)

  • Chung, Young-Lan;Park, Jin-Joo
    • Journal of The Korean Association For Science Education
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    • v.24 no.3
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    • pp.519-531
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    • 2004
  • In recent years, there has been an increased emphasis on performance assessment to evaluate students' abilities. Our nation has introduced a change in testing and assessment. Additional work on the efficacy, reliability, and comparability in order to develop the performance assessment item has been needed in the enforcement of the 7th National Science Curriculum. Also, criteria for professional and technical standards has been needed to be developed. The purpose of this study was to draw out various key concepts and to develop achievement standards, assessment standards and performance assessment items based on the 7th National Science Curriculum on the subject matter of reproduction(chapter 13) and biological accumulation(chapter 17). And also, this study examined the validity of completed performance assessment items based on classical test theory and polytomous item response theory. Twelve key concepts in chapter 13(reproduction) and four from chapter 17(biological accumulation) were abstracted. Twenty-six achievement standards in chapter 13(reproduction), and nine in chapter 17(biological accumulation) were developed. The achievement standards were determined in terms of knowledge(K), process skill(P) and attitude(A). Twenty-five assessment standards in chapter 13(reproduction) and nine in chapter 17(biological accumulation) were developed. Based on the developed achievement standards and assessment standards, twenty-two performance assessment items(seventeen open-ended questions, three essays, and two portfolios) with concrete grading criteria were developed. Eight open-ended items were applied to 240 10th graders to evaluate reliabilities of the test which consisted of four items per each chapter. The results would be suggested that the applied items were valid for performance assessment because item difficulties and item discriminations were proper. There was not much differences in item discrimination between interpretation from classical test theory and that from polytomous item response theory. However, there were some differences in item difficulties between the interpretations of two theories because the characteristics of examinees were reflected in classical test theory.

Elementary School Students' Polar Literacy (초등학생들의 극지 소양)

  • Choi, Haneul;Chung, Sueim;Kim, Minji;Shin, Donghee
    • Journal of The Korean Association For Science Education
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    • v.42 no.1
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    • pp.19-32
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    • 2022
  • The need for polar education was further emphasized, depending on the importance of the pole, which is the best place for climate change detection and prediction, and treasure trove of future technology and resources. Therefore, this study analyzed the general cognitive and affective characteristics of elementary school students' polar literacy, and in addition, analyzed the cognitive and affective characteristics according to the level of diversity about polar experience. The items developed for the study were revised through a pilot survey of 43 fifth graders. They consisted of questions about gender, polar experience, scientific literacy, polar knowledge, polar literacy skills, polar literacy beliefs, and polar literacy attitudes. The types of questions used are selectable, reliable, and Likert (4 points), for a total of 66 questions. The students who participated in the study were 323 fifth grade elementary students. The study found that students were more interested in the dramatic consequences of polar changes than the scientific causes and processes associated with it. This is confirmed through the fact that they are more interested in and familiar with polar creatures suffering from polar changes than understanding ice, which is the main feature of and the central mechanism of polar changes. Students also recognized the issue of polar climate change as a global issue other than their own. They believe that what happens in the Arctic and Antarctica will affect the whole world, but not significantly to himself and his community. The level of knowledge about polar region and the ability to analyze and infer were not significantly related to each other, and students with a higher level of diversity of experience about polar region had a better understanding of polar science and technology. In this research, it is meaningful to check the characteristics related to the students' polar region and to use it as a basic data to show the direction in which polar literacy education should proceed in the future.