This period, known as the formal operational stage, is the fourth and final stage of Jean Piaget's theory of cognitive development. It begins at approximately age 12 and lasts into adulthood.

According to psychologist Jean Piaget, such skills emerge during the preoperational stage. This is the second stage in his ...

Jean Piaget (1896-1980 ... Gradually he pieced together a "blueprint" for normal cognitive development in children, and presented findings that were amazing for their simplicity, insight, and ...

We spoke to lecturer in psychology and language researcher Dr Sam Durrant from LuCiD to help you make sense of cognitive development, the ideas that surround it, like Piaget's Theory, and some ...