The developmental psychologist and genetic epistemologist, Jean Piaget, investigated the cognitive development of children. He identified four stages from the sensorimotor period, culminating at 2 ...

Kohlberg's claim that moral development proceeds through an invariant sequence of stages was examined experimentally by attempting to induce regression and stage skipping. Fifth- through seventh-grade ...

This is a preview. Log in through your library . Abstract Piaget introduced a category-theoretic formulation of cognitive development in the late 1960s and extended it during the 1970s. The new theory ...

Editor’s note: This is the fifth in a series of articles to help you explore student abilities, and how critical thinking is taught and learned, to better enable you to help your students thrive in ...