• Title/Summary/Keyword: 과학지식

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기후 변화 및 그 예측 정보-IPCC 제 3차 평가보고서를 중심으로

  • Jeong, Il-Ung;Jo, Min-Su
    • Journal of Scientific & Technological Knowledge Infrastructure
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    • s.7
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    • pp.149-160
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    • 2001
  • 본 논문에서 강조하고 싶은 핵심은 기후 변화 및 그 예측에 관한 과학기술 지식 정보 인프라의 구축이 기후 변화에 대한 국가적 대책으로서 반드시 포함되어야 한다는 점이다. 이 지식 정보 인프라는 순수 과학기술의 목적으로서 귀중한 국가 재산이 될 뿐만 아니라, 기후변화협약의 경제 무기화를 꾀하고 있는 선진강국들에 대해 때로는 국가를 방어하는 지식 무기로서의 역할을 하게 될 것으로 기대한다.

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Exploring Variables Related to Students' Understanding of the Convergence of Basic and Applied Science (기초과학과 응용과학의 융합에 관한 학생들의 이해와 관련된 변인 분석)

  • Ha, Min-Su;Lee, Jun-Ki
    • Journal of The Korean Association For Science Education
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    • v.32 no.2
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    • pp.320-330
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    • 2012
  • Understanding the relation between basic science and applied science is important for students in understanding the importance of learning science, the relationship between scientific knowledge and human life, and for enhancing their science motivation. In this study, we evaluated the statistical validity of this hypothetical model and explored the effect of gender and students' preferred courses (e.g., humanities, science, and art) on four dependent variables. We also evaluated the differences of students' understanding across scientific domains and students' understanding concerning basic and applied scientific knowledge. Three hundred and twenty five 10th grade students participated in this survey research. Statistically, we employed bivariate correlation, partial correlation, path analysis, two-way ANOVA, and repeated measures ANOVA. Our findings illustrated that our hypothetical model was statistically valid. In addition, the significant interaction effects of gender and students' preferred courses on each dependent variable were shown. Students have different levels of understanding of the convergence of basic and applied science, the relation between scientific knowledge and human life, and the importance of learning science across scientific domains (e.g., physics, chemistry, earth science and biology).

A Study of Science Teachers' Perception on Knowledge Information Processing Competency (지식정보처리역량에 대한 과학교사의 인식 조사)

  • Son, Mihyun;Jeong, Daehong
    • Journal of The Korean Association For Science Education
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    • v.38 no.5
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    • pp.693-703
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    • 2018
  • One of the important competencies in knowledge and information society is the competency of Knowledge information processing. This is closely related to science education and described as one of the core competencies in the 2015 national curriculum revision. Even with a general agreement of the educational necessity of this competency, its practice in class depends mostly on teachers' will. Therefore, we surveyed science teachers' perceptions and classroom condition about the competency of Knowledge information processing, and we analyzed the questionnaires of 64 middle and high school teachers in Seoul and interviewed three teachers. As a result, all teachers shared the importance of Knowledge information processing competency and explained it in terms of social paradigm and goal of the subject. However, there were not many cases of actual practice in class. The teachers answered that time for Knowledge information processing competency is not enough in class and they also lack of PCK on this competency. About half of the teachers had experiences in teacher training about Knowledge information processing competency but most of their experiences are related to information utilization literacy. The importance of Knowledge information processing competency was very high in three factors (collection, analyzation, and utilization), among which information analysis was the highest. Middle school teachers showed higher scores in most questions even though the differences were not significant, and high school teachers showed higher scores in the importance of information sources at a significant level. In order to cultivate competencies, it is necessary to expand the meaning of science inquiry so as to cover this competency and to consider ways of linking with other subjects and develop methods of teaching and learning.

The Current Status and Direction in Knowledge Management Architecture (지식관리 아키텍처의 현황과 방향)

  • Rieh, Hae-Young
    • Journal of Information Management
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    • v.36 no.1
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    • pp.103-124
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    • 2005
  • This paper investigates knowledge management architecture which is related to the efficient storage, search, and retrieval of knowledge. It is important considerations that should be taken account in any knowledge management system. This study reviews literature and practices of the theory of current status of knowledge management architecture (KMA). Based on the review of the current practice, the characteristics and emphasis of the KMA applications are identified. It tries to suggest how the KMA should facilitate for effective and desirable directions of the KMA.

The Characteristics of PCK Components and Their Integrations in Developing Performance Assessment Tasks of Pre-Service Chemistry Teachers Participating in Constructive Performance Assessment Workshop (구성주의적 수행평가 워크숍에 참여한 예비 화학교사의 수행평가 과제 개발 과정에서 고려된 교과교육학 지식(PCK) 구성 요소 및 연계의 특징)

  • Lee, Jaewon;Ryu, Goeun;Kang, Sukjin;Noh, Taehee;Kang, Hunsik
    • Journal of The Korean Association For Science Education
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    • v.38 no.4
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    • pp.505-518
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    • 2018
  • In this study, we investigated the characteristics of the pedagogical content knowledge (PCK) components and their integrations in the processes of developing performance assessment tasks of pre-service chemistry teachers who participated in the constructive performance assessment workshop. Eight pre-service teachers participated in this study. After three weeks of the constructivist performance assessment workshop, they developed their own performance assessment tasks. The think-aloud method was used to investigate their developing processes. Their activities were recorded and videotaped, and semi-structured interviews were also conducted. The analysis of the results revealed that the PCK component considered in the planning step showed similar frequencies for assessment, instructional strategies, students, and subject matter components. In the embodying step, assessment component was most frequent. In the discussion step, the frequencies for assessment, instructional strategies, and students components were similar. However, curriculum component and the subcomponent of science process skill were rarely used. The integrations among the PCK components were found to be centered on the instructional strategies component in the planning step and the students component in the embodying and discussion step. However, curriculum and subject matter components were rarely integrated with other PCK components. On the basis of the results, educational implications are discussed.

Interactions among PCK Components of Pre-service Secondary Chemistry Teachers Considered in Processes of Making Written Test Items (중등 예비 화학교사의 지필평가 문항 제작 과정에서 고려된 교과교육학 지식(PCK) 구성 요소 사이의 상호작용)

  • Noh, Taehee;Park, Jaesung;Kang, Hunsik
    • Journal of The Korean Association For Science Education
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    • v.36 no.5
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    • pp.769-781
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    • 2016
  • This study investigated the interactions among the PCK components of pre-service secondary chemistry teachers considered in the processes of making written test items individually and in small groups. The processes of making written test items individually for 8 pre-service teachers was studied through the think-aloud method. The analysis of the results revealed that the 'assessment in science education' of the five PCK components was most frequently used in making test items. 'Curriculum for science education,' 'subject matter knowledge,' and 'students' were also frequently used although fewer than the previous component. However, 'instructional strategies and instruction for science education' was hardly used. The integrations between two or three components with various types were frequently found. However, integrations among four to five components were not found. The processes of making written test items in two small groups consisting of four pre-service teachers were observed. The analysis of the results revealed that the PCK components used in small groups were similar to those in the individual processes. However, 'curriculum for science education' was less frequently used, and the numbers of subcategories used at a relatively high frequency increased from other four components in small groups. In the aspects of integration, the proportion of the integrations between two components decreased and that for three components increased compared with those in the individual processes. The integrations among four or five components were also newly found. However, the integrations of 'curriculum for science education' with the other components were less frequently found. The integrations of 'instructional strategies and instruction for science education' with other components were still hardly found.

Collaborative Reading Comprehension of Science Textbook via Students' Knowledge Sharing in an Online Annotation System (온라인 주석시스템에서 학생들의 지식공유를 통한 과학교과서의 협력적 독해 양상 분석)

  • Lee, Jiwon
    • Journal of The Korean Association For Science Education
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    • v.38 no.5
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    • pp.667-680
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    • 2018
  • The purpose of this study is to investigate 1) the types of knowledge students ask for in their reading comprehension of science textbooks using an online annotation system, 2) the accuracy of the knowledge provided by the students to their peers, 3) the frequency of knowledge sharing behaviors, 4) the evaluation of the effect of collaborative reading, and 5) the trust among peers as knowledge sharers. Questions made by 241 students in the second grade of middle school using an online annotation system in two chapters of the science textbook were analyzed using Bloom's revised taxonomy and their answers were grouped according to five accuracy categories. Also, questionnaires for the evaluation of the effectiveness of collaborative reading comprehension and of trust among the students were used. The students asked their peers 'understanding questions' which comprised almost 80% of the total questions they made and were similar with individual metacognitive strategies for reading comprehension. Of the total threads, 71% has scientifically correct threads shared by the students. The frequency of the knowledge sharing behaviors was high but this was affected by the rewards (point system). Students evaluated that collaborative reading comprehension conducted through an online annotation system were helpful in their learning. In addition, the ratio of students trusting their peers who did the knowledge sharing is over 80%. This study shows that when students use an online annotation system, they can fill one another's cognitive gaps in the reading process by sharing knowledge. Also, collaborative reading using an online annotation system has proved that cognitive individualization is possible through sharing knowledge interactively and dynamically, unlike reading hard copies of textbooks which are a one way information transfer.

Changes in citizens' trust about '4 Rivers Project' and the Prospect of the Scientific-Tecnnological Citizenship (4대강 사업에서 시민의 신뢰 변화와 과학기술 시민자격의 전망)

  • Jeong, Taeseok
    • Journal of Science and Technology Studies
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    • v.15 no.1
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    • pp.69-107
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    • 2015
  • In this article, I try to understand the changing patterns of 'politics of expertise' by looking at the change of the citizens' opinion on '4 Rivers Project', particularly the change of citizens' trust in expert, through data analysis on 'Citizen Opinion Survey on Science and Technology'. Findings are as follows: The reliability of government and the pros side experts downed, on the other hand, the reliability of the opposite side experts and environmental groups have maintained or slightly increased. This shows the fact that '4 Rivers Project' is the field of political confrontation surrounding the expertise. The government decision-making process on '4 Rivers Project' can be examined from the perspective of 'the politics of expertise', in the sense that the process is related to the utilization of scientific and technological expertise-power surrounding the project feasibility. The facts that citizens are interested in scientific-technological and ecological issues which are largely affected by expertise, and they think that the 4 Rivers Project affects the their daily lives, are the result of rising 'scientific-technological citizenship'.

Research Trends and Knowledge Structure of Studies on Science and Technology Policy (과학기술정책 연구의 현황과 지식구조 분석)

  • Kim, EunMi;Yi, Chan-Goo
    • Journal of Korea Technology Innovation Society
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    • v.21 no.1
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    • pp.33-63
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    • 2018
  • The purpose of this study is to identify trends and to analyze knowledge structure and knowledge flow of studies on science and technology policy adopting the keyword network analysis. For analysis, we established a data set of published papers in the Journal of Korea Technology Innovation Society and Journal of Technology Innovation from 1993 to 2016. As a result of analysis, a great part of existing researches have been carried out in Seoul and Daejeon area, universities and public research institute. So it should be carried out in diversified form rather than being concentrated on specific regions or research performing subjects in the future. By research scope, more than 70% of research were carried out in 'R&D management' and 'technology innovation'. In the future, more research must be carried out in 'public process of science and technology' and 'public management of science and technology'. On the other hand, we performed the keyword network analysis to identify the knowledge structure of studies on science and technology policy. As a result of analysis, it was clustered into 'public process of science and technology', 'public management of science and technology', 'R&D management' and 'technology innovation', So It has not been different from research scope proposed by Yi, Kim and Oh(2016). And also, in earlier stage, research topics were general such as researchers and R&D investment. But as time goes by, topics were more diversified and subdivided. Therefore, in future, the research scope of studies on science and technology policy should be further expanded in terms of 'public process of science and technology', 'public management of science and technology', 'R&D management' and 'technology innovation', and systematic knowledge structure should be formed.

The Impact of Self-Reported Knowledge and Self-perceived Importance about Earth Systems on Science Gifted Students' Science Motivation: An Exploratory Study (과학 영재 학생의 지구계에 대한 지식과 중요성이 과학 동기에 미치는 영향: 탐색적 연구)

  • Oh, Jun-Young;Lee, Hyundong;Lee, Hyonyong
    • Journal of the Korean earth science society
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    • v.36 no.6
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    • pp.580-590
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    • 2015
  • The purpose of this study was to investigate the correlation among science gifted students' self-reported knowledge and self-perceived importance about Earth systems, and their science motivation. Ninety three seventh graders participated in this study who enrolled at Science Gifted Institute of K university. The correlation was measured by a validated Earth systems survey and Science Motivation Questionnaire (SMQ). The data were analyzed at the margin of error probability 0.05 using correlation and regression analysis. The result of reliability for items turned out high because the Cronbach's alphas were .896~.937. Results indicated that the correlation between self-reported knowledge on Earth systems and science motivation showed a correlation coefficient .656, whereas the correlation between importance on Earth systems and science motivation was .387, which was regarded as low. On the other hands, the result of regression analysis depicted that non-std. coefficients between students' self-reported knowledge about Earth systems and science motivation were .548 (.077), which lead to the conclusion that students' knowledge on Earth systems explained 43% of science motive-variation. It implied that Earth systems education program could impact the increased motivation of science gifted-students. Therefore, this study suggests that the various Earth systems education programs could be developed and implemented in order to increase students' motivation on studying science in general and Earth science in specific.