統計教育におけるベクトル図の有効性について On the usefulness of vector representations in statistics training

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The purpose of this study was to examine the usefulness of vector representations, diagrams constructed of geometric vectors, in statistics training. In 2 experiments, the effect of using the vector representations was compared with the conventional, algebraic method. In the preliminary experiment, 4 graduate students solved a problem about the regression analysis in both of the two ways. Only one student was able to solve the problem by using algebraic method. All the students succeeded in solving the problem with the vector representations. In the second experiment, 15 undergraduate students learned a text material on the regression analysis and solved three problems about this analysis. The vector representations sometimes helped the students learn the text material and solve the problems. However, these representations were not always useful. Three properties which made the vector representations useful were found: reducing the number of solution steps, easy and concrete manipulations, and a small number of operators. It is argued that students can easily learn statistics only when these properties help them.

収録刊行物

  • 図学研究  

    図学研究 32(2), 27-35, 1998-06-01 

    日本図学会

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各種コード

  • NII論文ID(NAID)
    10002846918
  • NII書誌ID(NCID)
    AN00125240
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03875512
  • NDL 記事登録ID
    4510529
  • NDL 雑誌分類
    ZM1(科学技術--科学技術一般)
  • NDL 請求記号
    Z14-457
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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