Relationship Between Concept of Height and Perception of Directionality in Two-dimensional Figures in Primary Schoolchildren

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  • TAKAGAKI Mayumi
    Doctoral Course the United Graduate School of Education Tokyo Gakugei University

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  • 小学生の平面図形における高さの概念と方向性の認知との関連
  • ショウガクセイ ノ ヘイメン ズケイ ニ オケル タカサ ノ ガイネン ト ホウコウセイ ノ ニンチ ト ノ カンレン

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Abstract

The purpose of this study is to examine the relationship between the concept of height and the perception of directionality in two-dimensional figures. First, the concept of height in triangles was examined by analyzing the replies from primary schoolchildren. Second, the accuracy in the perception of directionality in the figure was measured in Experiment so that the responses between examination and experiment could be compared and analyzed. From the above study, the following result was obtained : It was suggested that those who judged the directionality of height from the relationship between the "Base line (the base) " and the "Helght" tended more frequently to judge the directionality of the figure from the relationship between the "Base line (framework of the figure) " and the "Figure."

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