| 2-4年级数学困难与普通儿童数量估计能力的比较 |
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| 引用本文： | 韩瑽瑽,张静,黄大庆,陈英和.2-4年级数学困难与普通儿童数量估计能力的比较[J].中国特殊教育,2010(4). |
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| 作者姓名： | 韩瑽瑽 张静 黄大庆 陈英和 |
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| 作者单位： | 北京师范大学发展心理研究所,北京 100875; |
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| 基金项目： | 全国教育科学规划国家重点项目(ABA050001); 国家自然科学基金项目(30770729); 北京市哲学社会科学十一五规划项目(06BaJY010); 北京市教育科学十一五规划课题(ACA08017) |
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| 摘 要： | 选取二、三、四年级数学学习困难和数学学习正常的儿童共84名。采用数字线估计任务考察两类儿童数量估计能力的发展特点及差异。结果表明:(1)二年级儿童完成数字线估计任务的精确性显著低于其他两个年龄组;(2)数学困难儿童完成数字线估计任务的精确性显著低于普通儿童;(3)二年级数学困难儿童完成数字线估计任务时采用指数和线性函数进行表征,而其他年龄组儿童均采用线性表征形式。
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| 关 键 词： | 数学困难 数量估计 数量表征 |
A Comparison Between Children with Mathematics Learning Difficulties and Children with Normal Mathematics Learning Abilities in Numerical Estimation Competence |
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| HAN Congcong,ZHANG Jing,HUANG Daqing,CHEN Yinghe.A Comparison Between Children with Mathematics Learning Difficulties and Children with Normal Mathematics Learning Abilities in Numerical Estimation Competence[J].Chinese Journal of Special Education,2010(4). |
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| Authors: | HAN Congcong ZHANG Jing HUANG Daqing CHEN Yinghe |
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| Institution: | HAN Congcong ZHANG Jing HUANG Daqing CHEN Yinghe(Institute of Developmental Psychology,Beijing Normal University,Beijing,100875) |
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| Abstract: | A total of 84 primary school children(from Grade Two,Grade Three and Grade Four) both with mathematics learning difficulties and with normal mathematics learning abilities have been selected in this research,which,by means of the digital line estimation task,aims to probe into the development of and the difference in the numerical estimation competence of the two kinds of children.The results show the following:(1) The children from Grade Two show a significantly lower accuracy in the fulfillment of the dig... |
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| Keywords: | mathematics learning difficulties numerical estimation numerical representation |
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