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Direct linkPurpura, David J.; Logan, Jessica A. R. – Developmental Psychology, 2015
Both mathematical language and the approximate number system (ANS) have been identified as strong predictors of early mathematics performance. Yet, these relations may be different depending on a child's developmental level. The purpose of this study was to evaluate the relations between these domains across different levels of ability.…
Descriptors: Preschool Children, Child Development, Number Systems, Mathematics
van Marle, Kristy; Chu, Felicia W.; Li, Yaoran; Geary, David C. – Developmental Science, 2014
The study assessed the relations among acuity of the inherent approximate number system (ANS), performance on measures of symbolic quantitative knowledge, and mathematics achievement for a sample of 138 (64 boys) preschoolers. The Weber fraction (a measure of ANS acuity) and associated task accuracy were significantly correlated with mathematics…
Descriptors: Preschool Children, Child Development, Number Systems, Numeracy
Halberda, Justin; Feigenson, Lisa – Developmental Psychology, 2008
Behavioral, neuropsychological, and brain imaging research points to a dedicated system for processing number that is shared across development and across species. This foundational Approximate Number System (ANS) operates over multiple modalities, forming representations of the number of objects, sounds, or events in a scene. This system is…
Descriptors: Number Systems, Neurology, Child Development, Children
