Jean Piaget's development stages, on about.com

Here is an about.com page on Jean Piaget's cognitive developmental stages in children. Psychologist Lawrence Kohlberg developed further on Piaget's stages. Piaget had 2 stages, Kohlberg further expanded into 6 stages.

About.com link on Jean Piaget's stages of development is here :

You can read a lot of ' related articles.'.

HOW I FOUND IT : I was reading ' Cosmic Uplink' . A Mukul Sharma's article. He mentions, Kohlberg's stages of development and Heinz' Dilemma. Net Searched Yahoo. Came upon this site.

Read in leisure . Very helpful.