• 한국초등과학교육학회지:초등과학교육
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• 제33권4호
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• pp.724-735
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• 2014

The purpose of this study was to confirm correlation between elementary school students' VARK Learning styles test and Scientific Communication Skills through VARK questionnaire (version 7.3) for Youngers and Scientific Communication Skills Test. The subjects were 99 in 6th grade students of an elementary school located in Gyeonggi-do, Korea. The results of this study were as follows: 64% of the students had multiple learning styles, but only 36% of the students preferred a single mode of information presentation. Among students had a single mode preference, the aural ("A") was the highest unimodal preference. Among "V(visual)" mode, "A" mode, "R(read/write)" mode, and "K(kinesthetic)" mode, "A" mode was the commonest learning mode which students had. In Scientific Communication Skills Test, students' overall average was 26.19p [scientific explanation type (11.85p), scientific insistence type (14.34p)]. Girls' scores were higher than boys in scientific explanation type, but not in scientific insistence type. The scores by communication forms were Text (5.67p), Number (6.87p), Table (6.15p), and Picture (7.49p). Girls' scores were higher than boys in Text and Picture forms but not in Number and Table forms. In result of correlation analysis (Spearman's rho) between VARK Learning Styles and the types & forms of Scientific Communication Skills, there were common correlation in "Read/write (R) learning style-Scientific insistence type", "Read/write (R) learning style-Grounds of Scientific insistence", "Read/write (R) learning style-Description of Scientific explanation", and "R learning style-Text form".

• 한국초등과학교육학회지:초등과학교육
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• 제27권4호
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• pp.399-419
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• 2008

The purpose of this study was to develop performance assessment materials of scientific inquiry skills on 62 scientific activities in elementary science textbook for third and fourth grades. For this study, a total of 318 elementary teachers were sampled and surveys were carried out to examine the status of performance assessment of scientific inquiry skills in school. The classification system of assessment methods by Hart(1994) was also analyzed to create assessment strategy of scientific inquiry skills for elementary school students. Based on the quantitative data analysis, literature study and existing performance assessment materials analysis, performance assessment materials were developed and applied to science classes for third and fourth grades. Teachers and students were interviewed after the classes for asking about merits and improvements and the performance assessment materials were revised.

• 한국초등과학교육학회지:초등과학교육
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• 제37권1호
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• pp.1-11
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• 2018

Factors and causal structures of pre-service elementary teachers about the critical thinking and the scientific literacy competency were investigated in this study. The third grade university students and the first grade university students in the metropolitan city participated in this study. The factor analysis method and the structural equation modeling method were used for the data analysis, and the following results were obtained. First, the third grade university students and the first grade university students recognized 'inquisitive thinking' factor and 'reflective thinking' factor as factors of the critical thinking, and 'scientific explanation' factor and 'evidence-based conclusion' factor as factors of the scientific literacy competency respectively. Second, the third grade university students showed more the influence from 'reflective thinking' factor to 'scientific explanation' factor and from 'reflective thinking' factor to 'evidence-based conclusion' factor than the first grade university students.

• 대한약학회:학술대회논문집
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• 대한약학회 2003년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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• pp.275.1-275.1
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• 2003

Because people who take more than two drugs have increases, a simple and sensitive method for the simultaneous analysis of amphetamine, methamphetamine and nalbuphine in urine was developed. After alkalinization of the urine samples with 6 N-NaOH, the analytes were extracted using ethyl acetate, derivatized with MSTFA : TSIM : TMCS (= 100 : 2 : 5) prior to gas chromatography-mass spectrometry(GC-MS) analysis with selected ion monitoring. (omitted)

• 대한화학회지
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• 제63권4호
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• pp.280-288
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• 2019

본 연구는 초등교사의 과학적 탐구에 관한 이해 수준과 실태를 조사하여 과학 탐구 지도에 대한 시사점을 도출하는데 목적이 있다. D광역시 초등교사 42명을 대상으로 과학적 탐구에 관한 관점(Views About Scientific Inquiry)설문지를 사용하여 설문조사를 실시했다. 응답한 결과를 분석 준거에 따라 초등교사의 8가지 과학적 탐구에 관한 이해 수준을 3단계(전문가적, 과도기적, 초보자적)로 구분하여 과학적 탐구의 이해 실태를 조사하였다. 그리고 연구대상의 특성이 과학적 탐구 수준에 영향을 미치는지 분석했다. 그 결과 과학적 탐구의 8가지 특성 중 '탐구 방법은 의문 해결에 적합해야 한다'와 '탐구 결론은 반드시 수집된 자료와 일치해야 한다'는 2가지 특성에서 전문가적 수준 비율이 높게 나타났다. 나머지 관점에서는 대부분의 초등교사가 과도기와 초보자적 수준으로 나타났고 전문가적 수준은 상대적으로 매우 적었다. 이는 현장에서 탐구에 대해 가르치고 있는 초등교사의 과학적 탐구에 관한 이해가 제한적이라는 것을 시사하고 있다. 그리고 연구대상의 경력, 과학관련 연수이수 여부는 과학적 탐구에 관한 이해에 큰 영향을 미치지 않는다는 것을 확인할 수 있었다. 이러한 결과는 학생을 지도한 경험과 현재까지 개설된 과학관련 연수들이 과학적 탐구에 관한 이해를 높이는데 큰 영향을 미치지 않는다는 것을 시사하고 있다. 따라서 과학 탐구 지도를 위해 초등교사의 과학적 탐구에 관한 이해를 증진시킬 필요가 있고 이를 위한 기존의 교사 교육 방식과 다른 형태의 방안이 마련될 필요가 있다.

• 한국안전학회지
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• 제22권6호
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• pp.1-6
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• 2007

A Recently elevator accidents were occurred and increased due to carelessness of user and violent behavior. The accident of door detachment in elevator platform by electronic motor scooter show a example of safety concerns and insensibility for safety awareness. In this report, we review the cause of accident of door detachment in elevator platform by electronic motor scooter, and show some suggestions of preventing from the safety concerns about this case.

• 한국안전학회지
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• 제23권5호
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• pp.15-21
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• 2008

The bus using compressed natural gas(CNG) trend to be extended in use internationally as optimal counter-plan for reducing discharge gas of light oil due to high concern about environment. But, Composit pressure vessels(CPV) to be equipped with CNG bus is always involved in the point that safety accidents happen due to having compressed natural gas. In this report, we analysis the cause of CPV bursting accident by reviewing design and manufacture factor and suggest preventive measure through this case.

• 천문학논총
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• 제26권3호
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• pp.89-101
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• 2011

The International Olympiad on Astronomy and Astrophysics (IOAA) initiated by the Thailand Astronomical Society in 2007 is an annual competition for high school students. One of its aim is to enhance the development of international exchange in the field of school education in astronomy and astrophysics. This paper first provides the overview of the IOAA in terms of key regulations based on its statutes, history and current status. Secondly, the published syllabus of the IOAA is used for content analysis according to subject areas regarding the exam questions of the IOAA in theoretical, observational and data analysis parts from 2007 to 2010. Also, a scientific inquiry framework is applied to the same questions for assessment based on scientific inquiry in the cognitive aspect with two sub-classes of scientific knowledge and scientific reasoning. Among a dozen astronomy subject areas listed on the syllabus, the theoretical part of the IOAA makes more frequent use of the Sun, the solar system, properties of stars, and concept of time. In content knowledge, a factor of scientific knowledge, the IOAA questions, especially in the theoretical part have a lesser degree in difficulty than the IAO (International Astronomy Olympiad) exam questions for the same period whose degree in difficulty is comparable to college level. With regard to scientific reasoning, the IOAA questions tend to involve convergent rather than divergent thinking. Lastly, in light of these findings, discussions are given on the outcome of Korean participation in the previous IOAAs and ways to help better in preparing Korean students for future astronomy Olympiads.

• 한국초등과학교육학회지:초등과학교육
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• 제40권2호
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• pp.145-161
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• 2021

이 연구에서는 영재교육종합 데이터베이스(GED)에서 제공하는 초등 과학영재교육 프로그램 수상작을 과학적 창의성 관점에서 분석하였다. 이를 위해 해당 분석 기준을 개발한 뒤 우수 프로그램 55개에 포함된 840개의 탐구활동을 분석하였다. 연구 결과, 과학적 창의성 요소 5가지 중, '과학적 탐구기능', '과학 지식 내용', '창의적 사고'가 많이 포함되었다. 하지만 '문제해결력'과 '공통 요소'는 비교적 적게 포함되어 있었다. 통합의 측면에서는 2가지 요소의 통합과 3가지 요소의 통합이 자주 나타났으며, 통합이 없는 유형도 자주 나타났다. 4가지 요소의 통합이나 5가지 요소의 통합은 적게 나타났다. '과학 지식내용', '과학적 탐구기능', '창의적 사고' 등이 다른 요소들과 함께 통합되는 빈도가 높았다. 그러나 '공통 요소' 또는 '문제해결력'이 다른 요소와 통합되는 경우는 적게 나타났다. 이에 대한 교육적 시사점을 논하였다.

• 한국전산유체공학회:학술대회논문집
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• 한국전산유체공학회 2008년도 12th Asian Congress of Fluid Mechanics
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• pp.68.1-68.1
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• 2008