Piaget Developmental Tasks. Constructivist pedagogy draws on piaget s developmental theory. Jean piaget s four stages cognitive developmental theory piaget 1962 is widely regarded as the most detailed explanation of child development carlson et al 2004.
Birth through ages 18 24 months. Cognitive development involves changes in cognitive process and abilities. Piaget focused most of the description of this stage on limitations in the child s thinking identifying a number of mental tasks which children seem unable to do.
They include the sensorimotor preoperational concrete operational and.
Jean piaget was a swiss developmental psychologist who was most famous for his theory of cognitive development. Jean piaget was a swiss developmental psychologist who was most famous for his theory of cognitive development. Piaget s four stages of intellectual or cognitive development are. These include the inability to decenter conserve understand seriation the inability to understand that objects can be organized into a logical series or order and to carry out.