Question: Piaget's theory of development assumed that all children pass through a series of universal stages in a fixed order from birth to adolescence. What is the correct sequence of these stages? Need Assignment Help? Select one: a. sensorimor, preoperational, concrete operational, formal operational, assimilation, and accommodation b. sensorimotor, preoperational, concrete operational, and formal operational c. sensorimotor, preoperational, formal operational, concrete operational, and maturation d. preoperational, concrete operational, and formal operational