Symbolic Magnitude Understanding Predicts Preschoolers’ Later Addition Skills

Symbolic Magnitude Understanding Predicts Preschoolers’ Later Addition Skills
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符号大小的理解可以预测学龄前儿童后期的加法技能

DOI:
10.1080/15248372.2021.1888732
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发表时间:
2021
影响因子:
2.1
通讯作者:
Ramani, Geetha B.
Ramani, Geetha B.
中科院分区:
心理学4区
文献类型:
--
作者:
Scalise, Nicole R.;Ramani, Geetha B.

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幼儿对符号大小的理解,即如何对书写的数字和数字单词进行排序和比较的知识,被认为在他们的数学发展中发挥着重要作用。有一致的证据表明,符号数量级技能可以预测儿童和成年后的数学成就。然而,在正式上学开始之前,人们对象征性大小的理解知之甚少,因为在这个时期,孩子们正在迅速发展对小整数的知识。本研究对140名学龄前儿童(N=140,平均年龄=4岁5个月)在学年的冬季和春季进行了数字技能(基数、符号大小、加法)和执行功能(工作记忆、抑制控制、注意力转移)的测量。象征性大小对加法技能有预测作用,完全中介儿童基数与加法技能之间的关系。此外,儿童的一般执行功能技能和特定领域的计算技能解释了儿童后来的加法技能的类似变异性。研究结果突出了符号大小在儿童数学理解发展中的作用。
Young children’s symbolic magnitude understanding, or knowledge of how written numerals and number words can be ordered and compared, is thought to play an important role in their mathematical development. There is consistent evidence that symbolic magnitude skills predict mathematical achievement in later childhood and adulthood. Yet less is known about symbolic magnitude understanding before the start of formal schooling, a time when children are rapidly developing knowledge of small whole numbers. In this study, preschoolers (N = 140, Mean age = 4 years, 5 months) were assessed using measures of numerical skills (cardinality, symbolic magnitude, addition) and executive functioning (working memory, inhibitory control, attention shifting) in the winter and spring of the school year. Symbolic magnitude predicted later addition skills, fully mediating the relation between children’s cardinality and addition skills. Moreover, children’s domain-general executive functioning skills and domain-specific numeracy skills explained a similar amount of variability in children’s later addition skills. Results highlight the role of symbolic magnitude in the development of children’s understanding of mathematics.
解释表现不佳的幼儿园学生的算术发展。
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