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- Title
Serial order working memory and numerical ordinal processing share common processes and predict arithmetic abilities.
- Authors
Attout, Lucie; Majerus, Steve
- Abstract
Recent studies have demonstrated that both ordinal number processing and serial order working memory (WM) abilities predict calculation achievement. This raises the question of shared ordinal processes operating in both numerical and WMdomains. We explored this question by assessing the interrelations between numerical ordinal, serial order WM, and arithmetic abilities in 102 7- to 9-year-old children. We replicated previous studies showing that ordinal numerical judgement and serial order WM predict arithmetic abilities. Furthermore, we showed that ordinal numerical judgement abilities predict arithmetic abilities after controlling for serial order WM abilities while the relationship between serial order WM and arithmetic abilities was mediated by numerical ordinal judgement performance. We discuss these results in the light of recent theoretical frameworks considering that numerical ordinal codes support the coding of order information in verbal WM.
- Subjects
ACADEMIC achievement; COGNITION in children; DEVELOPMENTAL psychology; MATHEMATICS; THOUGHT &; thinking; SHORT-term memory in children
- Publication
British Journal of Developmental Psychology, 2018, Vol 36, Issue 2, p285
- ISSN
0261-510X
- Publication type
Article
- DOI
10.1111/bjdp.12211