There is strong research support for Piaget's notion that deductive reasoning emerges in adolescence. Utopian thinking emerges by age 8 or 9. Young children can think hypothetically. What is the main idea of Piaget's notion about deductive reasoning?
1) Deductive reasoning emerges in adolescence
2) Utopian thinking emerges by age 8 or 9
3) Young children can think hypothetically
4) Piaget's notion is not supported by research