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Communication Dans Un Congrès Année : 2023

Development and evaluation of a numerosity estimation test for elementary school students

Leonie Brumm
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  • PersonId : 1154699
Elisabeth Rathgeb-Schnierer
  • Fonction : Auteur
  • PersonId : 1153768

Résumé

Numerosity Estimation is not only important for everyday activities but is also assumed to be important for the development of mathematical skills. To examine influencing factors on numerosity estimation, it is required to conduct numerosity estimation accuracy in different tasks. Since no standardized numerosity estimation test exists to date, the goal is to develop a standardized test that reliably and validly measures the accuracy of numerosity estimation of elementary school children. Therefore, we developed a digital numerosity estimation test including seven different types of tasks in three number ranges. 196 German third-grade students from thirteen classes participated in the numerosity estimation test. In this paper, we will describe the test development and the evaluation of testing construct validity and reliability as specific test theory-based quality criteria.
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Dates et versions

hal-04413433 , version 1 (23-01-2024)

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  • HAL Id : hal-04413433 , version 1

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Leonie Brumm, Elisabeth Rathgeb-Schnierer. Development and evaluation of a numerosity estimation test for elementary school students. Thirteenth Congress of the European Society for Research in Mathematics Education (CERME13), Alfréd Rényi Institute of Mathematics; Eötvös Loránd University of Budapest, Jul 2023, Budapest, Hungary. ⟨hal-04413433⟩

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