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Smadar Sapir-Yogev; Gitit Kavé; Sarit Ashkenazi – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2024
The solution and verification of single-digit multiplication problems vary in speed and accuracy. The current study examines whether the number of different digits in a problem accounts for this variance. In Experiment 1, 41 participants solved all 2-9 multiplication problems. In Experiment 2, 43 participants verified these problems. In Experiment…
Descriptors: Foreign Countries, Undergraduate Students, Mathematical Concepts, Multiplication
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Ganor-Stern, Dana – Journal of Learning Disabilities, 2017
The present study is the first to examine the computation estimation skills of dyscalculics versus controls using the estimation comparison task. In this task, participants judged whether an estimated answer to a multidigit multiplication problem was larger or smaller than a given reference number. While dyscalculics were less accurate than…
Descriptors: Learning Disabilities, Arithmetic, Mathematics Skills, Computation
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Rotem, Avital; Henik, Avishai – Journal of Learning Disabilities, 2015
The current study examined the development of two effects that have been found in single-digit multiplication errors: relatedness and distance. Typically achieving (TA) second, fourth, and sixth graders and adults, and sixth and eighth graders with a mathematics learning disability (MLD) performed a verification task. Relatedness was defined by a…
Descriptors: Foreign Countries, Mathematics Education, Learning Disabilities, Multiplication