Categorization reliability of preservice elementary teachers' use of mental computation addition strategies on natural numbers using a written questionnaire - Archive ouverte HAL
Communication Dans Un Congrès Année : 2022

Categorization reliability of preservice elementary teachers' use of mental computation addition strategies on natural numbers using a written questionnaire

Anders Månsson
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Résumé

Teacher students' use of mental computation strategies in addition on two-digit natural numbers is analyzed using a written test. To test the reliability of the categorization of the students' explanations as mental computation strategies the categorization is done by three persons and their categorizations are then compared. The test result show that the categorizations are to a large degree in agreement, strengthening the reliability of the method.
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Dates et versions

hal-03746623 , version 1 (05-08-2022)
hal-03746623 , version 2 (14-10-2022)

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  • HAL Id : hal-03746623 , version 2

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Anders Månsson. Categorization reliability of preservice elementary teachers' use of mental computation addition strategies on natural numbers using a written questionnaire. Twelfth Congress of the European Society for Research in Mathematics Education (CERME12), Feb 2022, Bozen-Bolzano, Italy. ⟨hal-03746623v2⟩

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