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Direct linkWang, Jinjing; Halberda, Justin; Feigenson, Lisa – Child Development, 2021
Experimentally manipulating Approximate Number System (ANS) precision has been found to influence children's subsequent symbolic math performance. Here in three experiments (N = 160; 81 girls; 3-5 year old) we replicated this effect and examined its duration and developmental trajectory. We found that modulation of 5-year-olds' ANS precision…
Descriptors: Preschool Children, Mathematics Skills, Number Concepts, Symbols (Mathematics)
Ratcliff, Roger; Love, Jessica; Thompson, Clarissa A.; Opfer, John E. – Child Development, 2012
Children (n = 130; M[subscript age] = 8.51-15.68 years) and college-aged adults (n = 72; M[subscript age] = 20.50 years) completed numerosity discrimination and lexical decision tasks. Children produced longer response times (RTs) than adults. R. Ratcliff's (1978) diffusion model, which divides processing into components (e.g., quality of…
Descriptors: Children, Young Adults, Older Adults, Reaction Time
