Oksana is excited when she receives a telephone call from her granny on her birthday. when granny asks how old she is, oksana holds up three fingers in front of the phone. oksana's belief that because she can see her fingers, so can granny, reflects piaget's concept of

Oksana's belief that because she can see her fingers, so can her granny, reflects Piaget's concept of cognitive development. Piaget's theory explains how a child constructs a mental model of the environment around him. He did not agree with others in their belief that intelligence was a fixed trait. Rather, regarded cognitive development as a process resulting to biological maturation and interaction of a child with the world.