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Mix, Kelly S.; Bower, Corinne A.; Hancock, Gregory R.; Yuan, Lei; Smith, Linda B. – Child Development, 2022
Place value concepts were measured longitudinally from kindergarten (2017) to first grade (2018) in a diverse sample (n = 279; M[subscript age] = 5.76 years, SD = 0.55; 135 females; 41% Black, 38% White, 8% Asian, 12% Latino). Children completed three syntactic tasks that required an explicit understanding of base-10 symbols and three approximate…
Descriptors: Kindergarten, Child Development, Number Concepts, Longitudinal Studies
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Erickson, Jane E.; Keil, Frank C.; Lockhart, Kristi L. – Child Development, 2010
To what extent do children understand that biological processes fall into 1 coherent domain unified by distinct causal principles? In Experiments 1 and 2 (N = 125) kindergartners are given triads of biological and psychological processes and asked to identify which 2 members of the triad belong together. Results show that 5-year-olds correctly…
Descriptors: Biology, Psychology, Kindergarten, Task Analysis