<P> Piaget 's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence . It was first created by the Swiss developmental psychologist Jean Piaget ( 1896 -- 1980 ) . 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 . </P>
<P> Piaget 's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence . It was first created by the Swiss developmental psychologist Jean Piaget ( 1896 -- 1980 ) . 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 . </P>
cognitive-developmental theory has influenced our ways of thinking about
cognitive-developmental theory has influenced our ways of thinking about
the nature and development of human intelligence .
the nature and development of human intelligence .