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Related Experiment Video

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Multimedia Battery for Assessment of Cognitive and Basic Skills in Mathematics BM-PROMA
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Number estimation in Down syndrome: Cognition or experience?

Silvia Lanfranchi1, Francesco Sella2, Sara Onnivello1

  • 1University of Padova, Padova, Italy.

Research in Developmental Disabilities
|October 20, 2022
PubMed
Summary
This summary is machine-generated.

Number line estimation in children with Down syndrome (DS) is influenced by mental age and symbolic number experience. Improving numerical estimation is key for intervention programs targeting mathematical skills.

Keywords:
Cognitive developmentDown SyndromeNumber familiarityNumber line estimation

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Special Education

Background:

  • Number line estimation is crucial for understanding numerical magnitude and predicting mathematical achievement.
  • This study investigates factors influencing number line performance in children with Down syndrome (DS).

Purpose of the Study:

  • To determine if mental age or numerical experience is a stronger driver of number line estimation in Italian children with DS.
  • To compare performance between children with DS and typically developing children matched for mental age.

Main Methods:

  • Sixty-three children with DS and 63 typically developing children (matched for mental age) completed number line tasks.
  • Participants also underwent assessments of numerical knowledge, including number recognition and magnitude comparison.

Main Results:

  • No significant accuracy differences were found between groups on 1-10 and 1-20 number line intervals.
  • Accuracy on the 1-10 interval correlated with number recognition; accuracy on the 1-20 interval correlated with magnitude comparison.

Conclusions:

  • Number mapping in DS is linked to mental age, but accuracy is also shaped by symbolic number experience.
  • Intervention programs should target the improvement of numerical estimation abilities in individuals with DS.