A Numerical Fundamentals Test for the Early Detection of Dyscalculia

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  • Ooba Sawako
    鳥取大学医学部大学院医学系研究科医学専攻脳神経小児科学
  • Koeda Tatsuya
    国立研究開発法人国立成育医療研究センターこころの診療部
  • Maegaki Yoshihiro
    鳥取大学医学部附属病院脳神経小児科

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  • Dyscalculiaのスクリーニングにおける数的基礎力検査の検討
  • Dyscalculia ノ スクリーニング ニ オケル スウテキ キソリョク ケンサ ノ ケントウ

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Abstract

The aim of this study was to assess the efficacy of a new Numerical Fundamentals Test to detect dyscalculia early and thereby enable early intervention. The test consists of three components, namely, cardinal numbers, ordinal numbers, and numerical facts. The subjects were 68 students in the first grade of elementary school with normal development. The test was administered in December to first year students, and its results were compared with those of the mathematical aptitude test given at the end of the school year and again at the end of the second year of elementary school. The efficacy of the Numerical Fundamentals Test to predict the subjects’ mathematical ability was then analyzed by ROC analysis. As a result, the Numerical Fundamentals Test administered in the first year of elementary school was found to be able to predict the low-scoring group in the mathematical aptitude test given in the second year of elementary school. This finding demonstrated the utility of this test for the early detection of dyscalculia and will facilitate early intervention.

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