Answer:
The word "emotional" should be changed to the word "cognitive."
Explanation:
Jean Piaget has given his theory on cognitive development which states that a child undergoes four different stages of mental development. His theory focuses on understanding how children acquire knowledge as well as on intelligence.
Piaget's stages of cognitive development are:
1. Sensorimotor stage
2. Preoperational stage
3. Concrete operational stage
4. Formal operational stage.