This study assessed the extent to which executive functions (EF), according to their factor structure in 5-year-olds (N = 244), influenced early quantity-number competencies, arithmetic fluency, and mathematics school achievement throughout first and second grades. A confirmatory factor analysis resulted in updating as a first, and inhibition and…

This article begins by revisiting an old dispute between the children's writer Chukovsky and the child psychologist Vygotsky on whether and how child literature should mediate development. It then considers child language language lessons in South Korea for clues about how such mediation might happen, and finds the development of rote language,…