Piaget, Jean

(b. 1896, Neuchatel, Switzerland, d. 1980, Geneva, Switzerland. Ph.D. Biology, University of Neuchatel, 1918). Piaget is widely considered the most influential developmental theorist of the twentieth century. According to Piaget, cognitive development is a progression from a state of egocentrism, characterized by the use of concrete concepts, toward the construction and use of abstract concepts.
<Discussion> <References> Tadeusz Zawidzki