• Mapping kindergartners’ quantitative competence 

      Van den Heuvel-Panhuizen, Marja; Elia, Iliada (Peer reviewed; Journal article, 2020)
      In this study we investigated the structure of quantitative competence of kindergartners by testing a hypothesized four-factor model of quantitative competence consisting of the components counting, subitizing, additive ...
    • Unraveling the quantitative competence of kindergartners 

      Van den Heuvel-Panhuizen, Marja; Elia, Iliada (Lecture, 2021)
      14th International Congress on Mathematical Education, Shanghai. 11.-18. july 2021, East China Normal University