Answer:
Preoperational stage
Explanation:
Jean Piaget was a Swiss psychologist who focused on children from birth to adulthood. In the year 1936 he developed his theory of intellectual or cognitive development. In his theory a child from birth to adulthood experienced behaviors inn four stages:
1) Sensorimotor stage (Birth to 24 months): At this stage, the child exhibit motor activity without use of symbol.
2) Preoperational stage (2 to 7 years): At this stage the child uses objects to represent other things.
3) Concrete operational stage (7 to 11 years): At this stage the child begins to solve problems logically.
4) Formal operational stage (11 years and above)
