• 제목/요약/키워드: scientific questions

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의미 네트워크 분석법을 활용한 초등 예비교사들이 생각하는 과학에 대한 의미 분석 (An Analysis of Scientific Concepts Pre-service Elementary School Teachers Have through Semantic Network Analysis)

  • 김동렬
    • 한국초등과학교육학회지:초등과학교육
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    • 제32권3호
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    • pp.327-345
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    • 2013
  • This study aims to investigate how pre-service elementary school teachers understand 'something scientific', 'being scientific', 'scientific events' and 'scientific questions' through semantic network analysis. To achieve this purpose, this study carried out a central analysis of the frequency and density of words and the degree of connection between key words, a concentric analysis, a click analysis and a common network analysis through text semantic network analysis by using NetMiner 4.0 Program. Based on the results of these analyses, this study came to the following conclusions. Firstly, in perceiving 'something scientific', pre-service elementary school teachers recognized 'verification', 'objective' and 'experiment' as most important words. In other words, they perceived that main grounds for something scientific should be provided through clear facts, possible to be verified and accompanied by an exact and logical theoretical system. In regard to 'being scientific', they perceived 'explanation', 'objective' and 'verification' as most important words, while having a traditional point of view that science is a set that can be explained objectively. Secondly, in regard that the term, 'observation', is contained in 'scientific events', they showed a high rate of understanding it as a scientific event. In regard to scientifical reasons, they showed the highest frequency of 'observation', and for unscientific reasons, they showed the highest frequency of 'behavior'. In perceiving 'scientific questions', they showed the highest frequency of determining bacteria-related questions as scientific. As a reason why they thought as scientific, they mentioned 'observation' most frequently like 'scientific events', while mentioning 'value judgement' as a reason why they thought as unscientific most frequently. From the results of integrated network analysis, this study found out that words pre-service teachers commonly used in stating scientific events or scientific questions were overlapped with words they mentioned for scientific events or scientific questions. As a result, it was found there were many pre-service teachers having interpreted scientific words without clearly distinguishing scientific events or scientific questions.

초등학생들과 초등예비교사들이 관찰활동에서 생성한 과학적 의문의 유형 (Types of Scientific Questions Generated in Observational Activity by Elementary Students and Preservice Teachers)

  • 이혜정;정진수;박국태;권용주
    • 한국과학교육학회지
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    • 제24권5호
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    • pp.1018-1027
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    • 2004
  • 이 연구의 목적은 과학적인 현상이 제시되었을 때 초등학생들과 초등예비교사들이 그 현상을 관찰하는 과정에서 생성하는 과학적 의문의 유형을 분석하여 분류하고, 초등학생들과 초등예비교사들이 생성한 의문의 유형과 수를 비교하고자 한다. 연구를 위하여 관찰활동 수행에 적합한 4가지의 과제 즉, 사이다에 담긴 건포도 관찰, 촛불 관찰, 잉크에 염색된 샐러리 관찰, 암석 관찰을 개발하고, 초등학교 6학년 학생 40명과 교원 양성 대학교에서 초등교육을 전공하는 초등예비교사 4학년 학생 20명을 대상으로 과학적 의문의 유형을 조사하였다. 연구 결과, 과학적 의문의 유형은 크게 추측적 의문, 인과적 의문, 예측적 의문, 방법적 의문, 적용적 의문으로 분류하였다. 그리고 이들의 하위 의문으로 각각 대상탐색 의문과 대상확인 의문, 설명자탐색 의문과 설명자확인 의문, 결과탐색 의문과 결과확인 의문, 실례탐색 의문과 실례확인 의문으로 분류하였는데, 방법적 의문에서는 하위 의문이 나타나지 않았다. 초등학생들과 초등예비교사들이 생성한 과학적 의문의 유형은 모두 동일하였으나, 그 빈도에 있어서는 차이가 나타났다.

고졸검정고시 과학 문항 타당도와 문항 반응 사례 분석 (Analysis of Content Validity and Case Studies of Responses to Scientific Questions on Qualification Examination for High School Graduation)

  • 문성채
    • 수산해양교육연구
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    • 제29권1호
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    • pp.64-79
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    • 2017
  • This study was to evaluate the suitability of scientific questions as qualification examination for high school graduation by content validity and item response with three examinees and two preliminary examinees. As a result, scientific questions were concentrated on two units of six units of total, and application appeared to be lacking problem area by 8% compared to understanding and application. Examinees and preliminary examinees chose correct answers most by hap or guess, sometimes by experience or common sense, and the least by scientific concept. In addition, they could chose correct answers by hap or guess because there were words that implied the correct answer in questions and answers, or because they could compared and/or analyzed questions and answers. With these results, two proposals were suggested as follows; (1) scientific questions of qualification examination for high school graduation should measure basic scientific literacy. (2) specific criteria for science literacy in qualification examination for high school graduation should be set.

과학 현상에 대한 초등학생들의 의문 유형과 초등교사들의 설명 유형과의 관계 (The Relationships between the Patterns of Elementary School Teachers' Explanations and the Patterns of Elementary School Students' Questions on Scientific Phenomena)

  • 신동훈
    • 한국초등과학교육학회지:초등과학교육
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    • 제26권2호
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    • pp.149-160
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    • 2007
  • This study was conducted to investigate the relationships between the patterns of elementary school teachers' explanations and the patterns of students' questions types on scientific phenomena. for the purposes of this study, we collected questions related to scientific phenomena from 255 $3rd{\sim}6th$ students in 2 elementary schools. Classifying the students' questions collected, 20 representative questions for each type were selected. Data regarding teachers' scientific explanation from 62 teachers of 3 elementary schools were also collected. The results of the analysis of the questions for each science field show that the students in the 3rd, 4th, and 5th grades have the most questions regarding biology, and those in the 6th grade have more questions regarding earth science. Regarding question types, object exploration questions and explican exploration questions formed the majority. Moreover, the higher the students' grades, a decrease in the number of conjectural questions and an increase in the number of causal questions were observed. As a result of the analysis of the teachers' explanation, the following explanation types could be discerned; conjecture, hypothesis, prediction, teleological explanation, information given to feed exploration questions, as well as verification and information supply fer verification purposes. There were 4 kinds of relationships between question types and explanation types. One was the explanation fitting to each question type, a second was the explanation with additional content than the question required, a third was where the explanation was inappropriate to the question, and a forth was where the teacher responded that they "don't know." This study, investigating the relationships between questioning as a scientific inquiry process and explanation, will help to promote discussion regarding science classes in elementary school.

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초등학교 과학수업에서 사용된 교사의 과학적 질문유형 분석 (An Analysis of Teacher's Scientific Questioning in Elementary Science Classes)

  • 이상균
    • 대한지구과학교육학회지
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    • 제5권3호
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    • pp.287-296
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    • 2012
  • This research analyzed elementary teacher's scientific questioning during science teaching. This research studied 4 elementary school teachers in Gyeongnam were observed and the classes were videotaped. all teacher's questioning and student's answering were transcribed. Teacher's questionings were categorized into 2 types such as simple questions and productive questions. The findings of the research were as following. First, in the teaching-learning activities of the science subject, teacher-student conversation was used 202 times on average, and questions asked by the teachers were 72 times on average. The teachers use productive questions more than simple questions. Second, in the type of simple questions, management questions were used the most, and the next were simple confirmation questions and rethink questions in order. Third, productive questions used by the teachers in the class were mostly the attention-focussing questions, but the type of higher level questions such as problem-posing questions, comparing questions, action questions and reasoning questions was rarely adopted.

초등과학영재와 일반학생의 과학적 의문 생성 패턴 분석 (An Analysis of the Patterns of Scientific Questions Generation among Elementary Science-Gifted and General Students)

  • 엄주경;이길재
    • 한국과학교육학회지
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    • 제35권4호
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    • pp.537-548
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    • 2015
  • 이 연구의 목적은 초등과학영재와 일반학생이 관찰 상황에서 나타내는 과학적 의문 생성 패턴을 분석하는 것이다. 이 연구에서 과학적 의문 생성 패턴(pattern in generating scientific questions)이란 과학적 의문의 유형(Type of scientific questions)과는 구분되는 것으로, 학생들이 탐구 과정 중 여러 유형의 의문들을 생성해가는 방식을 의미한다. 연구에 적합한 관찰 과제로 사이다 속 건포도, 촛불, 염색된 샐러리 과제를 선정하였다. 그리고 연구의 대상은 전라남도 S시 영재교육원 6학년 과학영재 26명과 같은 지역 시내에 위치한 초등학교 6학년 일반학생 27명으로 하였다. 연구 결과는 다음과 같다. 첫째, 초등과학영재와 일반학생이 관찰 상황에서 나타낸 과학적 의문 생성 패턴은 '[패턴 1] 한 가지 유형의 의문 생성', '[패턴 2] 서로 다른 유형의 의문을 차례로 생성', '[패턴 3] 서로 다른 유형의 의문을 반복하여 생성', '[패턴 4] 서로 다른 유형의 의문을 순환하여 생성', '[패턴 5] 서로 다른 유형의 의문을 반복 순환하여 생성'의 다섯 가지로 분류할 수 있었다. 둘째, 초등과학영재와 일반학생은 각각 다섯 가지 패턴을 모두 나타냈으나 그 빈도에는 차이가 있었다. 영재학생들은 [패턴 3]과 [패턴 5]를 주로 나타냈으나, 일반학생들은 [패턴 1], [패턴 2], [패턴 3]을 가장 많이 나타냈다. 이러한 연구 결과는 학생들이 탐구 과정 중 생성한 개별 의문의 유형과 더불어 각 유형의 의문들을 생성해나가는 방식 또한 매우 중요함을 시사한다. 이를 통해 교사들은 학습자의 특성에 알맞은 과학적 의문 교수 학습 전략을 수립할 수 있을 것이다.

Exploring Korean Pre-service Elementary Teachers' Scientific Inquiry Using the Science Writing Heuristic Template

  • Shin, Myeong-Kyeong
    • 한국지구과학회지
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    • 제33권5호
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    • pp.459-466
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    • 2012
  • This study aimed to investigate the characteristics of pre-service elementary teachers' understanding about scientific inquiry in terms of designing exploration and reasoning that is used to formulate explanations based on evidence. The research context was an open inquiry with using the Science Writing Heuristic (SWH) template in which participant students were not provided with inquiry questions. As data, lab. 39 pre-service elementary teachers participated in this study while taking their science methods course. Analyses of the reports were framed by the cognitive processes of inquiry (Chinn and Malhotra, 2002) and each report was coded and analyzed by the framework of inquiry (Tytler and Peterson, 2004). Results showed that groups' works that utilized the SWH template encouraged the participants to interact each other about scientific inquiry. They came up with more relevant and testable questions for their scientific inquiry. It implicates that children will be able to have chances of testing their own questions more properly by using the SWH template in science classes just as the participants did in this study. The use of the SWH template would help pre-service teachers to teach appropriately how to test inquiry questions to their students in the future. Discussion was made to figure out the characteristics or Korean pre-service elementary teachers' understanding about scientific inquiry.

질문이 있는 '지층과 화석' 관련 STEAM 수업 자료 개발 및 적용 (Development and Application of STEAM Class for Stratum and Fossil with Questions)

  • 정미영;홍승호
    • 한국초등과학교육학회지:초등과학교육
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    • 제37권4호
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    • pp.455-465
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    • 2018
  • The purpose of this study is to investigate the effect of 'strata-fossils' STEAM program with questions on the academic achievement, creative problem-solving ability and scientific interests of elementary students. For this purpose, the STEAM program with questions was developed and applied to the third and fourth graders in elementary school. As a result, the academic achievement, creative problem-solving ability and scientific interests of the group applying the program showed a significant improvement in the post-test than the pre-test. The result of learner satisfaction survey of the STEAM program was also high. This means that the STEAM program class with questions for 'strata-fossils' could be meaningful works to encourage students' academic achievement as well as their creative problem-solving ability and scientific interests. Therefore, it seems necessary to apply for other themes in elementary science continuously.

국제천문 및 천체물리 올림피아드 현황과 기출문항에 대한 과학탐구 유형 분석 (PRESENT STATUS AND SCIENTIFIC FACTOR ANALYSIS ON ITS PAST PROBLEMS OF THE INTERNATIONAL OLYMPIAD ON ASTRONOMY AND ASTROPHYSICS)

  • 임인성;성현일;한인우;김유제;최승언
    • 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.

8학년 학생들의 자기주도적 과학탐구 보고서에 제시된 결론의 특징 (Characteristics of 8th Grade Students' Conclusions Presented in Self-Directed Scientific Inquiry Reports)

  • 신미영;최승언
    • 한국지구과학회지
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    • 제30권6호
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    • pp.759-772
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    • 2009
  • 본 연구의 목적은 8학년 학생들의 자기주도적인 과학탐구 보고서에 제시되어 있는 결론의 특징을 이해하려는 것이다. 이를 위해 '자기주도적인 과학탐구의 결론 분석'이라는 틀을 개발하였으며, 이 분석틀을 사용하여 학생들의 결론을 분석하였다. 다음으로는 학생들의 결론을 그들이 탐구하기 위해 생성한 질문과 비교하여 질문이 결론에 영향을 주는지에 대해 조사하였다. 더불어 학생들이 탐구 활동을 하면서 결론을 도출할 때 겪는 어려움을 이해하기 위해 실시한 설문지의 응답을 분석하였다. 연구 결과에 의하면 결론은 대체로 과학의 기초적 가정과 과학적 설명으로 범주화되는데, 학생들 결론의 약 절반 정도는 과학의 기초적 가정에 해당하였다. 그리고 과학적 설명으로 제시된 결론은 대부분 연역추론에 의한 설명과 귀납추론에 의한 설명이었다. 그리고 질문이 탐구질문일 때 과학적 설명이 과학의 기초적 가정보다 많이 나타나는 것으로 보아 결론의 형태는 학생들이 생성한 질문의 영향을 받는 것을 알 수 있었다. 일부 학생들은 결론과 실험 결과가 차이가 있음을 인식하지 못하는 것으로 나타났다.