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Author
I. Xenidou-Dervou
D. Molenaar
D. Ansari
M. van der Schoot
E.C.D.M. van Lieshout
Date
8-2017
Title
Nonsymbolic and symbolic magnitude comparison skills as longitudinal predictors of mathematical achievement
Journal
Learning and Instruction
Volume
50
Pages (from-to)
1-13
Document type
Article
Faculty
Faculty of Social and Behavioural Sciences (FMG)
Institute
Psychology Research Institute (PsyRes)
Abstract

What developmental roles do nonsymbolic (e.g., dot arrays) and symbolic (i.e., Arabic numerals) magnitude comparison skills play in children's mathematics? We assessed a large sample in kindergarten, grade 1 and 2 on two well-known nonsymbolic and symbolic magnitude comparison measures. We also assessed children's initial IQ and developing Working Memory (WM) capacities. Results demonstrated that symbolic and nonsymbolic comparison had different developmental trajectories; the first underwent larger developmental improvements. Both skills were longitudinal predictors of children's future mathematical achievement above and beyond IQ and WM. Nonsymbolic comparison was moderately predictive only in kindergarten. Symbolic comparison, however, was a robust and consistent predictor of future mathematics across all three years. It was a stronger predictor compared to nonsymbolic, and its predictive power at the early stages was even comparable to that of IQ. Furthermore, the present results raise several methodological implications regarding the role of different types of magnitude comparison measures.

URL
go to publisher's site
Other links
Link to publication in Scopus
Language
English
Permalink
http://hdl.handle.net/11245.1/0c705701-87f8-4d74-bb87-73450054527e

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