International Journal of Early Childhood · 2012 · 47 citations · 47 references
EducationHuman DevelopmentMathematicsChild DevelopmentCognitive DevelopmentDevelopmental PsychologyEarly ChildhoodInfancy DevelopmentNumeracy DevelopmentPlay DevelopmentPreschool DevelopmentToddler DevelopmentChildhood PlayDaily Life PerformanceEarly Mathematics AssessmentEarly Numerical CompetenceKey CompetenciesToddler Developmental Milestones
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Using multivariate statistics, 5th ed.
Barbara G. Tabachnick, Linda S. Fidell · 2007 · 10.1K citations
The Child's Understanding of Number
U. A. Easley, Rochel Gelman, C. H. Galistell · Educational Researcher · 1979 · 1.7K citations
Large number discrimination in 6-month-old infants
Fei Xu, Elizabeth S. Spelke · Cognition · 2000 · 1.5K citations