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Vanluydt, Elien; Verschaffel, Lieven; Van Dooren, Wim – Journal of Educational Psychology, 2022
The present study longitudinally investigated proportional reasoning abilities in early elementary school before the start of its instruction. Three aims were put forward: (a) distinguishing the different developmental states in young children's understanding of missing-value proportional situations, (b) investigating how children transition…
Descriptors: Logical Thinking, Thinking Skills, Young Children, Elementary School Students
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Bakker, Merel; Torbeyns, Joke; Verschaffel, Lieven; De Smedt, Bert – Developmental Psychology, 2023
Children start preschool with large individual differences in their early numerical abilities. Little is known about the importance of heterogeneous patterns that exist within these individual differences. A person-centered analytic approach might be helpful to unravel these patterns and the cognitive and environmental factors that are associated…
Descriptors: Longitudinal Studies, Mathematics Instruction, Mathematics Achievement, Preschool Education