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Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
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Measuring working memory capacity in children using adaptive tasks: Example validation of an adaptive complex span.

Corentin Gonthier1, Alexandre Aubry2, Béatrice Bourdin2

  • 1Université Rennes 2, CRPCC EA 1285, Rennes, France. corentin.gonthier@univ-rennes2.fr.

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Summary

Adaptive testing offers a better way to measure children's working memory. This new method, the Adaptive Complex Capacity Estimation System (ACCES), improves engagement and accuracy for all children.

Keywords:
Child cognitionComplex span taskComputerized adaptive testingFrench validationWorking memory capacity

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Educational Psychology

Background:

  • Traditional working memory tasks for children present trials in ascending difficulty, leading to issues like decreased engagement and score variability.
  • Current methods can be vulnerable to temporary lapses in attention and result in inconsistent testing times and interference across participants.

Purpose of the Study:

  • To demonstrate the feasibility of using an adaptive testing procedure for assessing children's working memory.
  • To develop and validate an adaptive complex span task (ACCES) suitable for children aged 8-13 years.

Main Methods:

  • Developed the Adaptive Complex Capacity Estimation System (ACCES), featuring verbal and visuo-spatial subtests.
  • Implemented an adaptive testing principle to dynamically adjust task difficulty based on participant ability.
  • Administered the ACCES to 268 children aged 8-13 years, with a fixed number of trials and partial credit scoring.

Main Results:

  • The ACCES demonstrated satisfying psychometric properties in the study sample.
  • The adaptive task successfully measured working memory capacity across a range of abilities.
  • The procedure ensures consistent testing time and reduces variability in the number of trials administered.

Conclusions:

  • Adaptive testing is a feasible and effective method for assessing working memory capacity in children.
  • The ACCES provides a more engaging and reliable alternative to traditional working memory assessments.
  • A free implementation of the ACCES is available for wider use in research and practice.