In this human behavior science fair project, the student will learn about Piaget's developmental stages and the Theory of Conservation. The student will investigate the age at which children understand the equality of numbers and mass....

This is an excellent resource on the life and work of the Swiss educational psychologist Jean Piaget (1896-1980).

Learn more about Jean Piaget from this website. The site is dedicated to the study of human knowledge and development.

"The basic reason for this international attention was the unquestionable fact that Piaget was the founding father of a branch of psychology that tries to unravel the mysteries of the human mind, how it grows and how it comes to know."...