Theory
Jean Piaget defined himself as a 'genetic' epistemologist, interested in the process of the qualitative development of knowledge. As he says in the introduction of his book Genetic Epistemology (ISBN 978-0-393-00596-7): "What the genetic epistemology proposes is discovering the roots of the different varieties of knowledge, since its elementary forms, following to the next levels, including also the scientific knowledge."
He believed answers for the epistemological questions at his time could be answered, or better proposed, if one looked to the genetic aspect of it, hence his experimentations with children and adolescents. Piaget considered cognitive structures development as a differentiation of biological regulations. In one of his last books, Equilibration of Cognitive Structures: The Central Problem of Intellectual Development (ISBN 978-022666781), he intends to explain knowledge development as a process of equilibration using two main concepts in his theory, assimilation and accommodation, as belonging not only to biological interactions but also to cognitive ones.
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