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      SCOPUS KCI등재

      화학 평형 이동시 반응 속도 변화에 대한 고등학생들의 이해 조사 = Identification of High School Students' Understanding on the Reaction Rate Change During Chemical Equilibrium Shift

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      https://www.riss.kr/link?id=A101030254

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      다국어 초록 (Multilingual Abstract)

      The purpose of this study is to investigate the students' conceptions about the reaction rate changes during the chemical equilibrium shifts and also whether the questions about basic concepts of the reaction rate are helpful for the students' understanding of reaction rate changes during the chemical equilibrium shifts. The subjects were 100 students in the 12th grade. The questionnaires were composed of A, B, and A' set, which had to be answered sequentially. The A set consisted of questions asking the change of reaction rate when chemical equilibrium was shifted, the B set was to testify the basic concepts of the reaction rate, and the A' set was the same as the A set. The results showed that the students' understanding of the reverse reaction rate change was lower than that of the forward reaction rate change during the equilibrium shift. Also it was found that students' understanding of the reaction rate change caused by adding the reactant was fairly good while their understanding of the reaction rate change caused by temperature increment was very poor. Since the students marked very high scores in the B set questions, their poor understanding for the reaction rate changes during the equilibrium shifts was not seemed to be due to the lacks of the basic knowledge of reaction rate. Instead, it was due to the failure of applying the basic knowledge of reaction rate to the changes of reaction conditions. It was also found that the average scores of A' set were statistically higher than those of A set. It means the B set items were helpful for the students to solve the A' set items. These results evidenced the possibility of set questionnaires could help the students to connect the related concepts in solving the problems.
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      The purpose of this study is to investigate the students' conceptions about the reaction rate changes during the chemical equilibrium shifts and also whether the questions about basic concepts of the reaction rate are helpful for the students' underst...

      The purpose of this study is to investigate the students' conceptions about the reaction rate changes during the chemical equilibrium shifts and also whether the questions about basic concepts of the reaction rate are helpful for the students' understanding of reaction rate changes during the chemical equilibrium shifts. The subjects were 100 students in the 12th grade. The questionnaires were composed of A, B, and A' set, which had to be answered sequentially. The A set consisted of questions asking the change of reaction rate when chemical equilibrium was shifted, the B set was to testify the basic concepts of the reaction rate, and the A' set was the same as the A set. The results showed that the students' understanding of the reverse reaction rate change was lower than that of the forward reaction rate change during the equilibrium shift. Also it was found that students' understanding of the reaction rate change caused by adding the reactant was fairly good while their understanding of the reaction rate change caused by temperature increment was very poor. Since the students marked very high scores in the B set questions, their poor understanding for the reaction rate changes during the equilibrium shifts was not seemed to be due to the lacks of the basic knowledge of reaction rate. Instead, it was due to the failure of applying the basic knowledge of reaction rate to the changes of reaction conditions. It was also found that the average scores of A' set were statistically higher than those of A set. It means the B set items were helpful for the students to solve the A' set items. These results evidenced the possibility of set questionnaires could help the students to connect the related concepts in solving the problems.

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      참고문헌 (Reference)

      1 "화학평형에 대한 학생들의 개념 연구 대학교 신입생을 대상으로" 1993

      2 "화학평형에 대한 고등학생들의 개념 조사" 1993

      3 "화학평형 개념 형성을 위한 시범실험과 컴퓨터 동영상을 연계한 수업의 효과" 2002

      4 "학생들의 화학평형 개념에 대한 연구" 1993

      5 "컴퓨터 시뮬레이션을 이용한 수업이 화학평형개념 형성에 미치는 영향" 2001

      6 "시범실험을 이용한 수업이 화학평형에 미치는 효과" 1997

      7 "Journal of Research in Science Teaching" 1990197-204

      8 "Journal of Research in Science Teaching" 251-272, 1989

      9 "Journal of Chemical Education" 1000-1003, 1990

      10 "International Journal of Science Education" 221-230, 1993

      1 "화학평형에 대한 학생들의 개념 연구 대학교 신입생을 대상으로" 1993

      2 "화학평형에 대한 고등학생들의 개념 조사" 1993

      3 "화학평형 개념 형성을 위한 시범실험과 컴퓨터 동영상을 연계한 수업의 효과" 2002

      4 "학생들의 화학평형 개념에 대한 연구" 1993

      5 "컴퓨터 시뮬레이션을 이용한 수업이 화학평형개념 형성에 미치는 영향" 2001

      6 "시범실험을 이용한 수업이 화학평형에 미치는 효과" 1997

      7 "Journal of Research in Science Teaching" 1990197-204

      8 "Journal of Research in Science Teaching" 251-272, 1989

      9 "Journal of Chemical Education" 1000-1003, 1990

      10 "International Journal of Science Education" 221-230, 1993

      11 "International Journal of Science Education" 487-494, 1991

      12 "European Journal of Science Education" 205-214, 1985

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      학술지 이력

      학술지 이력
      연월일 이력구분 이력상세 등재구분
      2023 평가예정 해외DB학술지평가 신청대상 (해외등재 학술지 평가)
      2020-01-01 평가 등재학술지 유지 (해외등재 학술지 평가) KCI등재
      2011-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2009-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2007-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2005-01-01 평가 등재학술지 유지 (등재유지) KCI등재
      2002-01-01 평가 등재학술지 선정 (등재후보2차) KCI등재
      1999-07-01 평가 등재후보학술지 선정 (신규평가) KCI등재후보
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      학술지 인용정보

      학술지 인용정보
      기준연도 WOS-KCI 통합IF(2년) KCIF(2년) KCIF(3년)
      2016 0.21 0.21 0.18
      KCIF(4년) KCIF(5년) 중심성지수(3년) 즉시성지수
      0.18 0.14 0.364 0.05
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