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Peer reviewedWynn, Karen – Cognitive Psychology, 1992
A 7-month longitudinal study of 20 2- and 3-year-old children shows that children at an early age already know that counting words each refer to a distinct numerosity, although they do not know to which numerosity. It takes children a long time to learn the latter. (SLD)
Descriptors: Age Differences, Child Development, Child Language, Cognitive Development
