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De Brauwer, Jolien; Verguts, Tom; Fias, Wim – Journal of Experimental Child Psychology, 2006
In this study, we investigated the development of basic effects that have been found in single-digit multiplication arithmetic: the problem size, five, and tie effects. Participants (9-,10-, and 11-year-olds and adults) performed a production task on simple multiplication. The procedure replicated Campbell and Graham's (1985) study ["Canadian…
Descriptors: Multiplication, Reaction Time, Child Development, Child Psychology
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Muller, Ulrich; Sokol, Bryan; Overton, Willis F. – Journal of Experimental Child Psychology, 1999
Investigated the emergence of class and propositional reasoning skills as a function of the developing ability to coordinate increasingly complex negation and affirmation operations with children from grades 1, 3, 5, and 7. Found that children's reasoning follows a logical development sequence and that different groups of items account for…
Descriptors: Child Development, Children, Cognitive Development, Cognitive Measurement