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중·고등학생의 사각형에 대한 개념 정의 이해와 개념 이미지 분석

An analysis on concept definition and concept image on quadrangle of middle and high school students

  • 투고 : 2022.03.10
  • 심사 : 2022.04.22
  • 발행 : 2022.05.31

초록

이 연구의 목적은 중학생과 고등학생의 사각형에 대한 개념 정의 이해 정도를 분석하고 개념 이미지에 대한 현상을 탐색하는 것이다. 이를 위해 검사 도구를 개발하고 중학교 2학년 60명, 중학교 3학년 63명, 고등학교 1학년 65명을 대상으로 검사하고, 일부의 학생을 면담하였다. 연구 결과는 다음과 같다. 첫째, 학년이 올라감에 따라 자연적으로 사각형의 개념 정의에 대한 이해도가 향상된다고 볼 수 없다. 특히, 모든 학년에서 다른 사각형과 비교하여 마름모 개념 정의에 대한 이해도가 가장 낮은 것으로 나타났다. 둘째, 정사각형에 대한 개념 정의는 여학생이 남학생보다 더 잘 이해하지만, 사다리꼴, 평행사변형, 마름모, 직사각형에 대한 개념 정의에 대한 이해 정도는 성별로 차이가 없는 것으로 나타났다. 셋째, 사각형 개념 정의를 이해하지 못하는 학생은 학년이 올라갈수록 개념 이미지의 영향을 점점 더 크게 받는 것으로 나타났다. 넷째, 학년이 올라갈수록 학생의 사각형에 대한 개념 이미지 형성에 개념 정의의 영향은 줄어들고 교과서나 교사의 영향이 증가하는 경향을 보여주었다.

The purpose of this study are to analyze how well middle and high school students understand the concept definition of quadrangle and to explore the phenomenon about their concept image. A test tool was developed and 60 8th graders, 63 9th graders and 65 10th graders were tested, and some students who needed in-depth analysis were interviewed. The results are as follows. First, it cannot be said that understanding level of the concept definition of the quadrangle naturally improves as the grade level goes up. Particularly, it was found that the understanding of the definition of the rhombus is the lowest in all three grades compared to other quadrangle. Second, although female students understood the definition of square better than male students, the understanding level of the definition of trapezoid, parallelogram, rhombus, and rectangle did not differ by gender. Third, it was found that the students who did not understand the concept definition of the quadrangle were more and more influenced by the concept image as the grade level went up. Fourth, it showed that a tendency to be less influenced by the concept definition and more influenced by textbooks and teachers as the grades go up when students form a concept image.

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