Before revision: For example, Jean Piaget, a developmental psychologist , argued that children view the world through an egocentric lens, and they have trouble separating their own beliefs from the beliefs of others.Piaget, J.
After revision: For example, the developmental psychologist Jean Piaget argued that children view the world through an egocentric lens, and they have trouble separating their own beliefs from the beliefs of others.Piaget, J.