The development of number concept in children of pre-school and kindergarten ages.

The Contents of Children's Minds on Entering School

G. Stanley Hall · The Pedagogical Seminary · 1891 · 67 citations

Cognitive Science, Humanities, School Psychology +13

The mental development of a child.

Kathleen Carter Moore · The Psychological Monographs · 1896 · 55 citations

Child Psychology, Infant Development, Language Development +12

Review of First Steps in Mental Growth.

M. V. O'Shea · Psychological Bulletin · 1906 · 35 citations · Full text

Grouped Objects as a Concrete Basis for the Number Idea

Frank N. Freeman · The Elementary School Teacher · 1912 · 26 citations

Concept Formation, Mathematics Education, Cognitive Science +9

The Development of a Child's Vocabulary in Relation to Environment

Margaret M. Nice · The Pedagogical Seminary · 1915 · 24 citations · Full text