Jean Piaget’s theory of cognitive development has been a central framework for understanding how children grow and learn. His model describes development through four sequential stages: sensorimotor, ...

Tests in non-Western cultures often reveal either a slower acquisition of conservation skills or a general inability to conserve. While many research efforts correlate conservation with formal ...

In its emphasis on suprahistorical totalities, structuralism in developmental psychology has failed to acknowledge the sociohistorical nature of cognition. In this it converges with, and serves the ...