Developmental Psychology · 1970 · 24 citations · 2 references
ComputingBiologyConservation TheoryEquivalence CheckingEquivalence Principle
2
The Growth of Logical Thinking
F.V. Smith, Bärbel Inhelder, Jean Piaget · British Journal of Educational Studies · 1959 · 603 citations
Humanities, Philosophy, Logic +9
Piaget's Conservation Problems
David Elkind · Child Development · 1967 · 150 citations