When Ernesto sees his mother roll the thick ball of dough into a thin circle for a pie crust, he says, "Now there is more dough, because it's bigger." His sister Lara tells Ernesto, "No, it's the same amount because Mommy could just roll it back again and it would look the same." According to Piaget's framework, Ernesto cannot conserve and Lara can:

Question

Quizplus · Accepted Answer

Piaget's theory of cognitive development suggests that children go through stages of development, during which they acquire new cognitive skills. The concept of conservation is the idea that volume, mass, and number remain the same even when the appearance of an object changes. Ernesto's statement that the bigger circle has more dough shows that he cannot conserve, as he only focuses on the appearance of the object. Lara, on the other hand, understands that the amount of dough remains the same regardless of the appearance, which indicates that she can conserve.

When Ernesto Sees His Mother Roll the Thick Ball of Dough