Nonsymbolic exact addition is predicted by the VSSP plus the CE and symbolic number line estimation, suggesting an alternate transcoding to the symbolic code¶
Claim · All claims
Evidence · 1 study · associationalr2·q3
Currency · newest study 2015 · checked against its sources 2026-10-20 (automated, 1 of 1 entry) · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? Beyond the VSSP, symbolic number line estimation and the CE explained significant variance in nonsymbolic exact addition. → Xenidou-Dervou 2014
Evidence¶
Xenidou-Dervou 2014¶
Xenidou-Dervou, I., van der Schoot, M., & van Lieshout, E. C. D. M. (2015). Working memory and number line representations in single-digit addition: Approximate versus exact, nonsymbolic versus symbolic. Quarterly Journal of Experimental Psychology, 68(6), 1148–1167. doi:10.1080/17470218.2014.977303
q3 · i? · associational · r2
Stepwise regression on the nonsymbolic exact task; the VSSP was the best WM predictor (t(102) = 5.89, p < .001) and "the symbolic mental number line predictor, t(102) = -3.73, p < .001 and the CE, t(102) = 2.00, p = .049 also explained significant variance".
"Aside from the VSSP, though, the symbolic mental number line predictor, t(102) = -3.73, p < .001 and the CE, t(102) = 2.00, p = .049 also explained significant variance."
Discussion¶
Learner Variables¶
- Number Sense — predictor: learners who differ on it differ in outcomes
- Spatial Ability — predictor: learners who differ on it differ in outcomes
Related Claims¶
- The visuospatial sketchpad is the best and only unique predictor of kindergarteners' nonsymbolic approximate addition — related
- More accurate symbolic number line representations relate to better performance in exact, but not approximate, addition formats — related
- Numerical working memory predicts decimal number line estimation accuracy — related
- Symbolic exact addition is predicted by symbolic number line representation and the phonological loop, reflecting phonological storage of numerical information — related
- Symbolic approximate addition is predicted by nonsymbolic number line estimation, the VSSP and the CE, consistent with transcoding to the nonsymbolic code — related
- Number naming and number comparison are better predictors of kindergarten arithmetic than number line estimation — related
- Kindergarteners perform significantly better in nonsymbolic than symbolic single-digit addition problem formats — related
Page metadata
| Field | Value |
|---|---|
type |
claim |
id |
alternate-transcoding-nonsymbolic-exact-addition |
title |
Nonsymbolic exact addition is predicted by the VSSP plus the CE and symbolic number line estimation, suggesting an alternate transcoding to the symbolic code |
description |
Nonsymbolic exact addition is predicted by the VSSP plus the CE and symbolic number line estimation, suggesting an alternate transcoding to the symbolic code |
status |
review |
evidence_strength |
moderate |
newest_evidence |
2015 |
source_checked |
2026-10-20 |
generated |
by process:wiki-ingest on 2026-10-17 |
trust |
unverified — no one has confirmed this page's content |
sources |
1 — xenidou-dervou-2014 |
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