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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