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Geary, David C.; vanMarle, Kristy; Chu, Felicia W.; Hoard, Mary K.; Nugent, Lara – Journal of Educational Psychology, 2019
Children's first mathematics concept is their understanding of the quantities represented by number words (cardinal value), and the age at which they achieve this insight predicts their readiness for mathematics learning in school. We provide the first exploration of the factors that influence the age of becoming a cardinal principle knower (CPK),…
Descriptors: Age, Numbers, Preschool Children, Longitudinal Studies
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Geary, David C.; vanMarle, Kristy – Developmental Psychology, 2016
At the beginning of preschool (M = 46 months of age), 197 (94 boys) children were administered tasks that assessed a suite of nonsymbolic and symbolic quantitative competencies as well as their executive functions, verbal and nonverbal intelligence, preliteracy skills, and their parents' education level. The children's mathematics achievement was…
Descriptors: Young Children, Mathematics, Mathematics Achievement, Mathematics Education