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Leib, Elena R.; Starr, Ariel; Younger, Jessica Wise; Bunge, Silvia A.; Uncapher, Melina R.; Rosenberg-Lee, Miriam – Developmental Psychology, 2023
The present study tests two predictions stemming from the hypothesis that a source of difficulty with rational numbers is interference from whole number magnitude knowledge. First, inhibitory control should be an independent predictor of fraction understanding, even after controlling for working memory. Second, if the source of interference is…
Descriptors: Inhibition, Fractions, Mathematical Concepts, Knowledge Level
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Fitzsimmons, Charles J.; Thompson, Clarissa A.; Sidney, Pooja G. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2020
Understanding fraction magnitudes is important for achievement and in daily life. However, adults' fraction reasoning sometimes appears to reflect whole number bias and other times reflects accurate reasoning. In the current experiments, we examined how contextual factors and individual differences in executive functioning (Experiment 1),…
Descriptors: Fractions, Adults, Mathematical Logic, Knowledge Level
Fitzsimmons, Charles J.; Thompson, Clarissa A.; Sidney, Pooja G. – Grantee Submission, 2020
Understanding fraction magnitudes is important for achievement and in daily life. However, adults' fraction reasoning sometimes appears to reflect whole number bias and other times reflects accurate reasoning. In the current experiments, we examined how contextual factors and individual differences in executive functioning (Experiment 1),…
Descriptors: Fractions, Adults, Mathematical Logic, Knowledge Level