Symbolic magnitude comparison is a stronger longitudinal predictor of mathematical achievement than nonsymbolic comparison¶

Claim · All claims
Evidence · 1 study · associational r3 · q3
Currency · newest study 2017 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i? Symbolic magnitude comparison was a stronger predictor of future mathematics than nonsymbolic magnitude comparison. → Xenidou-Dervou 2017

Evidence¶

Xenidou-Dervou 2017¶

Xenidou-Dervou, I., Molenaar, D., Ansari, D., van der Schoot, M., & van Lieshout, E.C.D.M. (2017). Nonsymbolic and symbolic magnitude comparison skills as longitudinal predictors of mathematical achievement. Learning and Instruction, 50, 1-13. https://doi.org/10.1016/j.learninstruc.2016.11.001

q3 · i? · associational · r3

Direct comparison of the two predictors in the longitudinal regression results: "It was a stronger predictor compared to nonsymbolic, and its predictive power at the early stages was even comparable to that of IQ." No effect size is printed in the available text.

"It was a stronger predictor compared to nonsymbolic, and its predictive power at the early stages was even comparable to that of IQ."

Discussion¶

Learner Variables¶

• Number Sense — predictor: learners who differ on it differ in outcomes

Related Claims¶

• Both nonsymbolic and symbolic magnitude comparison skills longitudinally predict mathematical achievement above and beyond IQ and working memory — related
• Nonsymbolic magnitude comparison is only moderately predictive of future mathematical achievement, and only in kindergarten — related
• Symbolic magnitude comparison is a robust and consistent longitudinal predictor of children's future mathematical achievement across kindergarten, grade 1 and grade 2 — related
• Symbolic and nonsymbolic magnitude comparison follow different developmental trajectories, with symbolic comparison undergoing larger developmental improvements between kindergarten and grade 2 — related
• Number line estimation and numerical magnitude comparison correlate with mathematics achievement (r = .24 to .44), with number line estimation more strongly related in older children — related
• Both numerical magnitude processing tasks correlate positively with arithmetic fact retrieval, more strongly for symbolic — related
• Both symbolic and nonsymbolic magnitude processing correlate with subtraction accuracy, but subtraction speed is associated only with symbolic tasks — related