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A Case Study on the Visually Impaired Secondary Students' Conception of the Changes of State of Water

시각장애 중고등학생의 물의 상태변화 개념에 대한 사례 연구

  • Received : 2017.10.12
  • Accepted : 2017.12.27
  • Published : 2018.02.20

Abstract

In this study, visually impaired secondary students' conception of "changes of state of water" was explored. Science inquiry activity for students with visual impairments was implemented to 16 middle school students and 15 high school students from school for the blind. 14 of them were totally blind, 13 had low vision and the others were not identified. Inquiry activities were conducted by communicating with the researcher while students were individually exploring the molecular models of water and ice developed for the study. After the exploration, students were asked to explain the concept of changes of state of water with the model they explored. Opinion on the need and the usability of this kind of tactile model was also asked to them. All conversations were recorded, transcribed, and analyzed. As a result, students with visual impairments answered exactly about the materials used for the model and their numbers. However, they didn't know what the model stood for. They had experiences of learning molecule of water and changes of state of water, but it was a phenomenon and superficial understanding. Students got to understand the molecular structures of water and ice, and had a positive perception on the need and the usability of the model. Based on these results, educational implications were discussed.

이 연구에서는 시각장애를 가진 중고등학생의 물의 상태변화 개념을 조사하였다. 연구대상은 국립과천과학관에서 열린 시각장애학생 대상의 과학탐구 활동에 참여한 중학생 16명과 고등학생 15명으로, 이 중 14명은 전맹, 13명은 저시력이었으며 나머지는 파악되지 않았다. 탐구활동은 이 연구를 위해 제작한 물과 얼음의 분자모형을 참여 학생들에게 개별적으로 탐색하면서 연구자와 대화하는 방식으로 진행하였다. 학생들이 모형에 대한 탐색을 마친 후 물의 상태변화 개념과 관련지어 설명하도록 하였으며, 모형의 활용 가능성에 대해서도 면담을 실시하였다. 모든 대화는 녹음되었고 그 자료를 전사한 뒤 분석하였다. 연구 결과, 시각장애학생들은 활동에 사용된 모형의 재료와 개수에 대해서는 정확히 대답하였지만 무엇을 표현한 모형인지 설명하기 어려워하였다. 물의 분자와 상태변화에 대해 배운 경험이 있다고 대답하였으나 그 개념에 대해 제대로 설명하지 못하거나 현상적인 경험에 기초한 수준에 불과했다. 활동을 통해 시각장애학생들은 물과 얼음의 분자구조와 상태변화에 대해 이해하게 되었고, 연구에서 사용된 모형이 필요하며 유용하다고 긍정적으로 인식하였다. 이러한 결과에 기초하여 교육학적 함의를 논의하였다.

Keywords

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