Developmental Psychology · 1969 · 33 citations · 5 references
EducationEducational PsychologyPsychologyChild DevelopmentCognitive DevelopmentDevelopmental PsychologyEarly ChildhoodNumber SenseNumeracy DevelopmentPediatric DevelopmentQuantity ConservationToddler DevelopmentChild Number PreferencesNumber Conservation
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The Child's Conception of Number
E. A. Peel, J. Piaget · British Journal of Educational Studies · 1953 · 1.8K citations
Cognitive Capacity of Very Young Children
Jacques Mehler, Thomas G. Bever · Science · 1967 · 280 citations