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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
Stacey, Kaye – International Group for the Psychology of Mathematics Education, 2005
A longitudinal study of students' developing understanding of decimal notation has been conducted by testing over 3000 students in Grades 4 to 10 up to 7 times. A pencil-and-paper test based on a carefully designed set of decimal comparison items enabled students' responses to be classified into 11 codes and tracked over time. The paper reports on…
Descriptors: Grade 4, Arithmetic, Coding, Longitudinal Studies