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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics BM-PROMA
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Serial order working memory and numerical ordinal processing share common processes and predict arithmetic abilities.

Lucie Attout1, Steve Majerus1,2

  • 1Psychology and Neuroscience of Cognition Research Unit, University of Liege, Belgium.

The British Journal of Developmental Psychology
|September 13, 2017
PubMed
Summary
This summary is machine-generated.

Ordinal number processing and serial order working memory (WM) are key to calculation. This study shows ordinal number skills predict math achievement in children, even independently of WM, with WM

Keywords:
mathematical achievementordinal processingworking memory

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Educational Psychology

Background:

  • Ordinal number processing and serial order working memory (WM) are known predictors of calculation achievement.
  • Existing research suggests a potential overlap in ordinal processes across numerical and WM domains.

Purpose of the Study:

  • To investigate the interrelations between numerical ordinal judgment, serial order WM, and arithmetic abilities in children.
  • To determine if numerical ordinal processes independently predict arithmetic skills, controlling for WM.
  • To explore the mediating role of numerical ordinal judgment in the relationship between WM and arithmetic.

Main Methods:

  • Assessed numerical ordinal judgment, serial order WM, and arithmetic abilities in 102 children aged 7–9 years.
  • Employed correlational analyses to examine the relationships between these cognitive abilities.
  • Utilized statistical controls to isolate the unique contribution of each factor.

Main Results:

  • Confirmed that both ordinal numerical judgment and serial order WM predict arithmetic abilities.
  • Demonstrated that ordinal numerical judgment uniquely predicts arithmetic abilities, even after accounting for serial order WM.
  • Found that the association between serial order WM and arithmetic abilities is mediated by numerical ordinal judgment performance.

Conclusions:

  • Numerical ordinal processes play a crucial, independent role in children's arithmetic achievement.
  • Working memory's influence on arithmetic may be largely explained by its reliance on underlying ordinal numerical representations.
  • Findings support theoretical frameworks suggesting numerical ordinal codes are fundamental for processing order information in verbal WM.