| 3 , 4 , 5세 유아의 합리적인 수세기 , 더하기 , 빼기 능력 발달에 관한 연구 |
| 신은수, 김은정, 김소향 |
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| The Development of Competence in Rational Counting , Addition and Subtraction in Three - , Four - and Five - Year - Old Children |
| Eun Soo Shin,Eun Jung Kim,So Hyang Kim |
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| Abstract |
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The purpose of this study was to examine the development of rational counting, addition and subtraction competence and the correlation between competence in rational counting, addition, and subtraction in three-, four- and five-year-old children. The subjects were 156 preschoolers living in Seoul. The experimental materials consisted of a set of 20 props for rational counting, addition, and subtraction tasks. The addition and subtraction tasks each consisted of a set of 6 problems. The data were analyzed by ANOVA, Duncan multiple range test, and Pearson`s r. The results indicated that 1) there were significant differences in the development of competence in rational counting, addition, and subtraction by age, 2) there were no significant differences in competence in rational counting, addition, and subtraction by gender, 3) there were positively high correlations of competence rational counting, addition, and subtraction by age. |
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