한국과학교육학회지 (Journal of The Korean Association For Science Education)

  • 제26권1호
  • /
  • Pages.49-57
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  • 2006
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  • 1226-5187(pISSN)
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  • 2288-8489(eISSN)
한국과학교육학회 (The Korean Association for Science Education)
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우리나라 대학생들의 운동학 그래프 이해 능력

Testing undergraduate interpretation of kinematics graphs

  • 김태선 (노스캐롤라이나주립대학교)
  • 발행 : 2006.02.28
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초록

그래프는 물리학자들이나 물리교육자들에게는 좋은 의사소통 도구가 되며, 실험세계를 그래프로 보여줄수 있는 정보전달의 기능을 수행하는 것으로 여겨졌다. 따라서 그래프를 작성하고 해석할 줄 아는 능력은 매우 중요하다. 본 연구에서는 운동학 그래프 해석 능력 검사 도구를 이용하여 우리나라 광역시 180명 대학생들의 운동학 그래프 이해 능력을 조사하였다. 우리나라 대학생들은 위치-시간 그래프에서 속도를 결정하거나, 속도-시간 그래프에서 가속도나 변위를 결정하는 기능에서 높은 정답률을 보였으며, 위치-시간 그래프를 속도-시간 그래프로 변환하거나 가속도-시간 그래프로 변환하는 기능에서 가장 낮은 정답률을 보였다. 또한 그래프와 관련된 지문을 연결하는 기능도 다른 기능들에 비하여 비교적 낮은 정답률을 보였다.

Line graphs are powerful tools in conveying complicated relationships and ideas because they show the relationship that exists between two continuous variables. Also, they can show readers the variations in variables and correlate two variables in a two dimensional space, and therefore, line graphs have a significant role in physics, especially kinematics. One of the purposes of the Test of Understanding Graphs in Kinematics (TUG-K) was to uncover student problems with interpreting kinematics. The TUG-K was given to Korean college students in 2004. To what extent are Korean college students able to understand such important line graphs? Analysis of the results of the TUG-K showed in which objectives students' strengths and weaknesses are found. This study investigates Korean college students' interpretation skills of kinematics graphs and the results of the study will be used to help instructors teach kinematics graphs more effectively.

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