Piaget S Cognitive Development Model. Piagetian theory and concepts via a mass of publcations and empirical data transformed the developmental psychology field of the early twentieth century behaviourist leanings. The theory deals with the nature of knowledge itself and how humans gradually come to acquire construct and use it.
Piaget s theory is mainly known as a developmental stage theory. Toddlerhood 18 24 months through early childhood age 7. Piagetian theory and concepts via a mass of publcations and empirical data transformed the developmental psychology field of the early twentieth century behaviourist leanings.
Jean piaget was a developmental psychologist who was born in switzerland in 1896.
He disagreed with the idea that intelligence was a fixed trait and regarded cognitive development as a process which occurs due to biological maturation and interaction with the environment. They can t understand that there are other ways of looking at the world and interpreting information. For example a child in a game of hide and seek may. In piaget s view early cognitive development involves processes based upon actions and later progresses to changes in mental operations.