Jean Piaget Stages Of Development Theory. Piaget believed that cognitive development began at birth and lasted through adulthood. Jean piaget was an early psychologist who specialized in child development from the 1920s onward.
Formal operational stage 11 years and older the formal operational stage is the final stage of piaget s theory of development. Jean piaget studied the growth and development of the child. Jean piaget has redefined intelligence knowledge and the relationship of the learner to the environment system is a.
In this stage a child develops the ability to utilize abstract thinking.
Formal operational stage 11 years and older the formal operational stage is the final stage of piaget s theory of development. Formal operational stage 11 years and older the formal operational stage is the final stage of piaget s theory of development. In this stage a child develops the ability to utilize abstract thinking. While presented in a series of discrete progressive stages even piaget believed that development does not always follow such a smooth and predictable path.