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Van Der Auwera, Stijn; De Smedt, Bert; Torbeyns, Joke; Verschaffel, Lieven – Journal of Numerical Cognition, 2022
This study examined adults' frequent, efficient and adaptive use of direct subtraction (DS) and subtraction by addition (SBA) in mental multi-digit subtraction with the choice/no-choice method. Participants were offered subtractions in one choice condition (choice between DS and SBA) and two no-choice conditions (mandatory use of either DS or…
Descriptors: Subtraction, Executive Function, Addition, Undergraduate Students
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Bakker, Merel; Torbeyns, Joke; Verschaffel, Lieven; De Smedt, Bert – Journal of Educational Psychology, 2022
Many studies in the past decades have focused on low and typical mathematics achievers, yet little is known about children with high mathematics achievement, particularly at a young age. The current study aimed to fill this gap and started from the early work of Krutetskii (1976) as a theoretical lens to study the characteristics of high…
Descriptors: High Achievement, Elementary School Students, Elementary School Mathematics, Mathematics Achievement