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A Case Study on the Visually Impaired Elementary Students' Conception of Dissolution

시각장애 초등학생의 용해 개념에 대한 사례 연구

  • Received : 2013.04.03
  • Accepted : 2013.07.08
  • Published : 2013.08.20

Abstract

In this study, the characteristics of visually impaired elementary students' conceptions on dissolution were investigated. The semi-structured interviews about phenomenon of dissolution, uniformity of solution, conservation of mass on dissolving and volume change during dissolving were conducted with 4 fifth-grade elementary students with visual impairments (three were blind, and one had low-vision). Interviews were recorded and the data were analyzed after transcription. As a result, students with visual impairments knew well about the phenomenon of dissolution, uniformity of solution, and conservation of mass on dissolving, while they couldn't explain volume change during dissolving. Although students with visual impairments were found to have similar level of understanding with students without visual impairments, they had sounder understanding about uniformity of solution. However, students with visual impairments had superficial understanding based on phenomenal experiences. Some of students with visual impairments tried to give micro-level explanation. Based on these results, educational implications were discussed.

Keywords

Visual impairments;Elementary school;Dissolution;Micro-level

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