Preschool acuity of the approximate number system correlates with school math ability.
Preschool acuity of the approximate number system correlates with school math ability.
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DOI：
10.1111/j.1467-7687.2011.01080.x
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发表时间：
2011-11
影响因子：
3.7
通讯作者：
Halberda J
中科院分区：
文献类型：
--
作者：
Libertus ME;Feigenson L;Halberda J
先前的研究表明，人们在学校数学能力的个体差异与他们快速和非语言估计场景中物品数量的准确性之间存在相关性。这一发现令人惊讶，因为作为数字估计基础的近似数字系统（ANS）与从未获得正式数学的婴儿和非人类动物共享。然而，目前尚不清楚个体数学能力差异与ANS之间的联系是否取决于正式的数学教学。早期的研究证明了这种联系，只有在参与者接受了多年的数学教育之后才对他们进行测试，或者使用需要额外的符号或算术处理的任务来评估参与者的ANS敏锐度，这些任务类似于标准化数学测试的要求。为了了解ANS和数学能力是否在生命早期有联系，我们用一项不需要符号使用或算术计算的任务测量了200名3至5岁儿童的ANS敏锐度。我们还测量了在正式数学教学开始之前儿童的数学能力和词汇量。我们发现，即使在年龄和语言能力受到控制的情况下，儿童的ANS敏锐度也与他们的数学能力相关。这些发现为早期开始的原始数字感和数学能力之间的关系提供了证据。
Previous research shows a correlation between individual differences in people’s school math abilities and the accuracy with which they rapidly and nonverbally approximate how many items are in a scene. This finding is surprising because the Approximate Number System (ANS) underlying numerical estimation is shared with infants and non-human animals who never acquire formal mathematics. However, it remains unclear whether the link between individual differences in math ability and the ANS depends on formal mathematics instruction. Earlier studies demonstrating this link tested participants only after they had received many years of mathematics education, or assessed participants’ ANS acuity using tasks that required additional symbolic or arithmetic processing similar to that required in standardized math tests. To ask whether the ANS and math ability are linked early in life, we measured the ANS acuity of 200 3- to 5-year-old children using a task that did not also require symbol use or arithmetic calculation. We also measured children’s math ability and vocabulary size prior to the onset of formal math instruction. We found that children’s ANS acuity correlated with their math ability, even when age and verbal skills were controlled for. These findings provide evidence for a relationship between the primitive sense of number and math ability starting early in life.
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