Heidi
Harju
Department of Teacher Education (Turku)
Contact
Publications
When “one, two, three” gains ordinal meaning: Investigating the development of numerical ordering skills in 3- to 5-year-old children. (2026)
Developmental Psychology
(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )
“I need to follow the numbers” — developing and validating a more comprehensive measure of spontaneous focusing on numerical order (2026)
Educational Studies in Mathematics
(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )
Spontaneous focusing on numerical order and numerical ordering skills in early mathematical development (2025)
(G5 Artikkeliväitöskirja)Spontaneous focusing on numerical order and numerical skills of 3-to 4-year-old children (2024)
Educational Studies in Mathematics
(A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä )
Focusing on numerical order in preschool predicts mathematical achievement six years later (2022)
Conference of the International Group for the Psychology of Mathematics Education, Proceedings of the PME Conference
(Vertaisarvioitu artikkeli konferenssijulkaisussa (A4))