Is Approximate Number Precision a Stable Predictor of Math Ability?

Is Approximate Number Precision a Stable Predictor of Math Ability?
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DOI:
10.1016/j.lindif.2013.02.001
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发表时间:
2013-06-01
影响因子:
3.6
通讯作者:
Halberda J
Halberda J
中科院分区:
心理学2区
文献类型:
--
作者:
Libertus ME;Feigenson L;Halberda J

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先前的研究表明,儿童使用近似数字系统(ANS)估计项目数量的能力预测了以后的数学能力。为了更仔细地研究早期ANS敏锐度对后期能力的预测作用,我们评估了ANS敏锐度,数学能力和表达词汇的学龄前儿童两次,间隔六个月。我们还进行了注意力和记忆广度任务,以询问先前报道的ANS敏锐度和数学能力之间的关联是否是ANS特异性的或归因于一般领域的认知技能。我们发现,早期的ANS敏锐度可以预测六个月后的数学能力,即使在最初的测试中控制了年龄,表达词汇和数学能力的个体差异。此外,ANS敏锐度是数学能力的一个独特的并发预测因素,超过了表达性词汇,注意力和记忆广度。早期ANS敏锐度和后来的数学能力之间的预测关系的这些发现增加了早期数字估计技能的重要性的证据。
Previous research shows that children’s ability to estimate numbers of items using their Approximate Number System (ANS) predicts later math ability. To more closely examine the predictive role of early ANS acuity on later abilities, we assessed the ANS acuity, math ability, and expressive vocabulary of preschoolers twice, six months apart. We also administered attention and memory span tasks to ask whether the previously reported association between ANS acuity and math ability is ANS-specific or attributable to domain-general cognitive skills. We found that early ANS acuity predicted math ability six months later, even when controlling for individual differences in age, expressive vocabulary, and math ability at the initial testing. In addition, ANS acuity was a unique concurrent predictor of math ability above and beyond expressive vocabulary, attention, and memory span. These findings of a predictive relationship between early ANS acuity and later math ability add to the growing evidence for the importance of early numerical estimation skills.
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