When the number is 10 or greater, the decimal point has to move to the left, and the power of 10 is positive. When the number is smaller than 1, the decimal point has to move to the right, so the power of 10 is negative.
According to Piaget, cognitive development involves an ongoing attempt to achieve a balance between assimilation and accommodation that he termed equilibration. At the center of Piaget's theory is the principle that cognitive development occurs in a series of four distinct, universal stages, each characterized by increasingly sophisticated and abstract levels of thought. 1  These stages always occur in the same order, and each builds on what was learned in the previous stage. They are as follows:
Early Life. Jean Piaget was a Developmental Psychologist best known for his Stages of Cognitive Development. He was born in Neuchatel, NeuchÃ¢tel, switzerland On august, 9. 1896'piaget s father studied medieval literature and local. historyarly Life. Jean Piaget was a Developmental Psychologist best known for his Stages of Cognitive Development. He was born in Neuchatel, NeuchÃ¢tel, switzerland On august, 9. 1896'piaget s father studied medieval literature and local. history