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  • 标题:Number Comparison and Number Line Estimation Rely on Different Mechanisms
  • 作者:Delphine Sasanguie ; Bert Reynvoet
  • 期刊名称:Psychologica Belgica
  • 电子版ISSN:2054-670X
  • 出版年度:2014
  • 卷号:53
  • 期号:4
  • DOI:10.5334/pb-53-4-17
  • 语种:English
  • 出版社:Ubiquity Press
  • 摘要:The performance in comparison and number line estimation is assumed to rely on the same underlying representation, similar to a compressed mental number line that becomes more linear with age. We tested this assumption explicitly by examining the relation between the linear/logarithmic fit in a non-symbolic number line estimation task and the size effect (SE) in a non-symbolic comparison task in first-, second-, and third graders. In two experiments, a correlation between the estimation pattern in number line estimation and the SE in comparison was absent. An ANOVA showed no difference between the groups of children with a linear or a logarithmic representation considering their SE in comparison. This suggests that different mechanisms underlie both basic number processing tasks.
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