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Direct linkSchneider, Rose M.; Sullivan, Jessica; Guo, Kaiqi; Barner, David – Child Development, 2021
Although many U.S. children can count sets by 4 years, it is not until 5½--6 years that they understand how counting relates to number--that is, that adding 1 to a set necessitates counting up one number. This study examined two knowledge sources that 3½- to 6-year-olds (N = 136) may leverage to acquire this "successor function": (a)…
Descriptors: Computation, Number Concepts, Young Children, Arithmetic
