Jean Piaget (1896-1980) always considered himself a natural scientist, not a psychologist. As a boy he quickly gave up play and pretend to take refuge in "work" -- exploring internal combustion ...

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.

This book presents a collection of studies on the circulation of Jean Piaget’s ideas and works between Europe and Latin America, and how this transnational legacy influenced different fields of ...

According to the Consortium For Street Children (CSC), a street child is defined as "one for whom the street has become his/her abode and/or source of livelihood; and who is inadequately protected, ...