Journal for Research in Mathematics Education · 1999 · 276 citations · 14 references
EducationHuman DevelopmentChild DevelopmentCognitive DevelopmentDevelopmental PsychologyCategorization DevelopmentConcept FormationForm PerceptionShape PerceptionVisual CognitionCategorization In Early ChildhoodClassifying ShapesImagistic RepresentationMatchingProperties Of ShapesShape DiscriminationVan Hiele LevelsVisual Form Perception
Douglas H. Clements, Sudha Swaminathan, Mary Anne Zeitler Hannibal, Julie Sarama, Young Children's Concepts of Shape, Journal for Research in Mathematics Education, Vol. 30, No. 2 (Mar., 1999), pp. 192-212
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