• Title/Summary/Keyword: The nature of Education

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Analysis on the Belief about Mathematics of Elementary School Preservice Teachers and Elementary School Teachers. (예비 초등교사와 현직 초등교사의 수학 신념 분석)

  • Kwak, Soyeon;Kim, Jinho
    • Education of Primary School Mathematics
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    • v.21 no.3
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    • pp.329-349
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    • 2018
  • The purpose of this study is to investigate the mathematical belief of elementary school preservice teachers and elementary school teachers and to analyze their differences in mathematical belief. The results of the analysis are as follows. First, Elementary school preservice teachers generally regard the belief in the nature of mathematics as 'rules and procedures' and emphasize the 'process of inquiry' about the beliefs of learning mathematics. When comparing the beliefs according to gender, there is a significant difference only in the category of 'teacher instruction' among the beliefs of learning mathematics. Second, elementary school teachers generally regard the nature of mathematics as a 'inquiry process' and have a 'student-led' belief about the learning mathematics. There is no significant difference of the belief about the nature of mathematics and learning mathematics between the elementary school teachers by gender and majors. However, when comparing the mathematical beliefs according to educational level, there is a difference in beliefs about the nature of mathematics. Third, comparing the mathematical beliefs of elementary school preservice teachers and elementary school teachers, there is no statistically significant difference between the two groups in the 'rules and procedures' subcategories of the nature of mathematics, but there is a significant difference in 'inquiry process'.

A Proposal on the personalized integrated Education Model Using the Blockchain (블록체인을 활용한 개인 맞춤형교육 통합모델 제안)

  • Yu, Kyoung-sung;Kwon, Mee-Rhan
    • The Journal of the Convergence on Culture Technology
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    • v.5 no.1
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    • pp.451-456
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    • 2019
  • Our students are shocked by the results that there is an inverse proportion between academic achievement and life satisfaction. Recently, the Organization for Economic Cooperation and Development (OECD) published the PISA 2015 Student Well-Being Report. According to the report, Korean students' education is the highest among OECD countries, but their life satisfaction is the 47th ranked among the 48 OECD and non-OECD countries.[1] This is the cause of the unilateral education using collective achievement in evaluation methods. Therefore, I propose a personalized integrated model utilizing block chain technology. I suggest a personalized education and evaluation system model using selective education and personal approval rather than from teachers' unilateral education. This will no longer open the student's achievement grade system to the public. This change will be accomplished utilizing block chain technology. This technology is characterized by security, transparency and dispersion. The result of this work can be used to improve students' quality of living through a management system of personalized education and evaluation, based on the nature of education.

A Study on the Structural Conception Formation of the Center of Mass Concept (질량중심 개념의 구조적 개념 형성에 관한 연구)

  • Choi, Byung Chul
    • Journal of Educational Research in Mathematics
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    • v.26 no.1
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    • pp.23-45
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    • 2016
  • We are able to analyze a social or a natural phenomenon by using the conception. if we understand a concept of an object. However it is not easy to understand a concept of an object. The process of comprehending the concept is a long rigorous mental journey. Hence, understanding concepts has been emphasized in studies in education. Previous studies demonstrate that conception has a dual nature, which has both an operational and a structural nature. We are able to acknowledge that structural conception develops from an operating conception. Nevertheless, discovering a dual nature of conception and knowing whether students acquired the dual nature, especially the structural nature are difficult to achieve. In this research, I examine the operational and the structural nature of a center of mass conception and analyze whether students acquire structural nature of the center of mass conception, and find implications which we would do to build the structural conception on a concept.

A Comparative Study on the Various Perspectives on the Nature of Science through Textbook Analysis Centering on the Consensus View, Features of Science, and Family Resemblance Approach (교과서 분석을 통한 과학의 본성에 대한 여러 관점의 비교 -전통적 접근, 과학의 특성, 가족 유사성 관점을 중심으로-)

  • Jho, Hunkoog
    • Journal of The Korean Association For Science Education
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    • v.39 no.5
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    • pp.681-694
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    • 2019
  • This study intends to delineate the characteristics of various perspectives on the nature of science (NOS) through the textbook analysis. Thus, centering on a science textbook called Science Laboratory Experiments, this study analyzes the elements of the NOS from three different perspectives: the consensus view, features of science (FOS), and family resemblance approach (FRA). While the consensus view highlights the similar elements of the NOS across the topics, the FOS is concerned about empirical ways for doing science. The FRA rather focuses on socio-cultural aspects of science activities. While the consensus view is useful to reify the features of the NOS, the FRA helps to understand science from various viewpoints. Regarding the philosophical account for three perspectives, all of them are ambiguous to some extent. The consensus view holds contradictory dispositions e.g., relativism vs. (post-)positivism, and critical realism and instrumentalism. The FOS supports empirical tradition but cannot effectively cope with the anomalous situation. The FRA is useful to show up the ways of science in both microscopic (personal) and macroscopic (social) viewpoints. However, the broader concept about science may mislead understanding of the NOS. Consequently, this study provides some implication for improving the framework of the NOS and teaching the NOS in the classroom.

Contextualized Nature of Technology in Socioscientific Issues (대학생들의 과학기술관련 사회쟁점(SSI) 논의에서 기술의 본성(NOT)은 어떻게 나타나는가?)

  • Lee, Hyunok;Lee, Hyunju
    • Journal of The Korean Association For Science Education
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    • v.36 no.2
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    • pp.303-315
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    • 2016
  • Socioscientific issues (SSI), by their nature, are conceptually embedded in technology. Previous research reported that nature of technology (NOT), unlike nature of science, was quite explicitly manifested in SSI decision-making, and NOT could be a promising construct for promoting SSI reasoning. In this study, authors introduced an integrated conceptual framework for NOT, which consisted of four dimensions (i.e., artifacts, knowledge, practice and system) as diverse modes of technology. We adapted the framework to investigate students' conceptualizations of NOT in the context of various SSIs. Data was collected from 45 college students enrolled in a liberal arts course on science and technology. The students participated in a team project, where they prepared and led discussions for SSI topics in class. Seven topics concerning SSIs were selected by students themselves. The preparation and class discussion of each student group were audio-recorded, and final reports were also analyzed. As a result, NOT sub-components in the dimensions of artifacts and system were explicitly represented in most contexts of SSI with various ranges of understanding. Other sub-components under the dimensions of knowledge and practice were rarely or implicitly shown in the discussion. The depth of students' understanding on NOT varied. Implications for science education were discussed.

A Study on the Development of Integrated Utilization Considering Multi Functions of Urban Estuarine Area (대도심 하구역 개발과 보전의 융합이용모형 개발 연구 -낙동강 하구역을 중심으로-)

  • Im, Jung-Hyeun;Choi, Jin-Hyu;Kim, Jun-Ho;Yoon, Han-Sam;Ryu, Cheong-Ro
    • Journal of Fisheries and Marine Sciences Education
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    • v.22 no.4
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    • pp.589-603
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    • 2010
  • The purpose of this study is to develop a integrated(fusion) utilization model aimed at maximizing the development/management functions of urban estuarine area and to present an integrated concept by analyzing the existing document and data. The main points of this study are as follows: 1) The integrated utilization model suggested in this paper goes beyond the existing idea of sustainable utilization and conservation, putting an emphasis on rational decision-making in estuary management and peaceful coexistence between human and nature. 2) Policies for utilization/development/conservation/regeneration of urban estuarine area include the establishment of communication system between human and nature and a safety net considering both human and nature, the support for environment-friendly community development and the importance of preserving valuable ecosystem and wetland habitat. 3) Lastly, this study suggested that the major tasks for the fusion utilization model development are the integrated management of estuary areas, the conservation and preservation of wetland ecosystem, proper utilization of estuary's productivity, and the introduction and action plans of the integrated management model including the best way to address contamination and disaster management.

Review on the Aims of Laboratory Activities in School Science (학교 과학수업에서 실험의 목적에 대한 고찰)

  • Yang Il-Ho;Cho Hyun-Jun
    • Journal of Korean Elementary Science Education
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    • v.24 no.3
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    • pp.268-280
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    • 2005
  • Teaching with laboratory activities in school science, which are distinctive characteristic, is placed from other disciplines fur teaming almost 200 hundred years ago. A number of science educators have suggested that there are rich benefits in teaming from using laboratory activities. At these time, however, some educators have begun to seriously question the effectiveness and the role of laboratory activities. There are some causes related to obscure and vague aims of laboratory activities. The purposes of this paper is to review aims of laboratory activities presented in the literatures through historical overview, and to obtain implication for school science. There are various aims of laboratory activities by a number of researchers. Overall synthesizing, there are ffur domains of aims of science teaching through laboratory activities, (a) science knowledge has two sub-domains; scientific content knowledge and procedural knowledge, (b) nature of science, (c) science attitude has two sub-domain; scientific attitude and attitude toward science, and (d) ability of scientific inquiry has two sub-domain; manipulative skills and scientific thinking. But, it is necessary to continue the following study in order to obtain the aims of laboratory activities agreed by expert community, and setting up of lists of aims of laboratory activities for students to achieve hierarchies of school science curriculums.

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The Nature of Variables Represented in the Titles of 7th Graders' Inquiry Report (중학교 1학년 학생들의 자유 탐구보고서에 나타난 변인의 유형)

  • Kim, Jae-Woo;Oh, Won-Kun;Pak, Sung-Jae
    • Journal of The Korean Association For Science Education
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    • v.18 no.3
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    • pp.297-301
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    • 1998
  • To investigate the 7th graders' ideas on inquiry, researchers analysed the titles of inquiry report, which were submitted as summer vacation homework. The subjects were four classes of 141 thirteen year old boys and girls in a school in Seoul. After analysing the titles of student's report, researchers classified the titles into 9 types according to the clarity and the nature of variables in the titles. The fact that few students represented the variables in the report title and most of the variables used were categoric was found.

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Inhibitory Effects of Dietary Schisandra Supplements on CYP3A Activity in Human Liver Microsomes

  • Kang, Bae-Gon;Park, Eun-Ji;Park, So-Young;Liu, Kwang-Hyeon
    • Mass Spectrometry Letters
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    • v.13 no.4
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    • pp.152-157
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    • 2022
  • Schisandra chinensis and its fruits have been used as a traditional herbal medicine to treat liver dysfunction, fatigue, and chronic coughs. Several in vitro and in vivo studies suggested that dibenzocyclooctadiene lignans present in Schisandra fruits strongly inhibit CYP3A4 activity. However, reports on the inhibitory potential of dietary Schisandra supplements against CYP3A activity are limited despite their increasing consumption as dietary supplements. In this study, we evaluated the CYP3A-inhibitory potential of four dietary Schisandra supplements in human liver microsomes. At a concentration of 0.05 mg/mL, Schisandra supplements from Nature's Way, Swanson, Planetary Herbals, and Only Natural inhibited CYP3A activity by 93.9, 70.8, 33.6, and 24.8%, respectively. Nature's Way, which exhibited the strongest inhibition against CYP3A, had the highest contents of gomisin B and gomisin C, which potently inhibit CYP3A activity. The in vivo pharmacokinetics of this product should be examined to determine whether the clinical relevance of inhibiting CYP3A activity by dietary Schisandra supplementation.