Answer:
Piaget's theory
Step-by-step explanation:
Jean Piaget has developed the theory of cognitive development in which he has mentioned four different stages including the sensorimotor stage, preoperational stage, formal operational stage, and concrete operational stage.
Jean Piaget's theory is based on the ideology that a child can actively construct different knowledge as he or she manipulates and explores the world around him or her. His theory explains a framework for the understanding of the development of thinking and cognition process. He explained the process through which a child interacts with his or her environment by using senses.