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LeFevre, Jo-Anne; Skwarchuk, Sheri-Lynn; Sowinski, Carla; Cankaya, Ozlem – Journal of Numerical Cognition, 2022
What is the foundational knowledge that children rely on to provide meaning as they construct an exact symbolic number system? People and animals can quickly and accurately distinguish small exact quantities (i.e., 1 to 3). One possibility is that children's ability to map small quantities to spoken number words supports their developing exact…
Descriptors: Numeracy, Mathematics Skills, Numbers, Number Concepts
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Swanson, H. Lee – Developmental Psychology, 2017
This study investigates whether age-related changes in the structure of 5 complex working memory (WM) tasks (a) reflect a general or domain specific system, (b) follows a similar trajectory across different age spans, and (c) contribute domain general or domain specific resources to achievement measures. The study parsed the sample (N = 2,471)…
Descriptors: Visual Perception, Spatial Ability, Verbal Ability, Short Term Memory