02 01 Developmental Psychology and Ego-Development

Jean Piaget

Piaget, Jean: The Language and Thought of the Child https://www.amazon.co.uk/Language-Thought-Child-Routledge-Classics/dp/0415267501/ (Routledge Classics, 2001)

Piaget, Jean: Psychology Of The Child https://www.amazon.co.uk/Psychology-Child-Jean-Piaget-x/dp/0465095003/ (Basic Books, 1969, 1971, 2000)

https://en.wikipedia.org/wiki/Jean_Piaget

https://en.wikipedia.org/wiki/Piaget%27s_theory_of_cognitive_development

We can further recommend this site: http://www.piaget.org/

Lawrence Kohlberg

Except for Kegan’s descriptions of Kohlberg’s model, the sources we have used regarding Kohlberg are all online presentations of Kohlberg’s model, not texts by Kohlberg himself.

http://ww3.haverford.edu/psychology/ddavis/p109g/kohlberg.stages.html

http://www.moraledk12.org/lawrence-kohlberg

https://en.wikipedia.org/wiki/Lawrence_Kohlberg%27s_stages_of_moral_development

Robert Kegan’s five orders

Kegan, Robert: The Evolving Self: Problem and Process in Human Development: https://www.amazon.co.uk/Evolving-Self-Problem-Process-Development/dp/0674272315/ (Harvard Univeristy Press, 1982)

Kegan, Robert: In Over Our Heads: Mental Demands of Modern Life https://www.amazon.co.uk/d/Books/Over-Our-Heads-Mental-Demands/0674445880/ (Harvard University Press, 1994)

Kegan, Robert: Immunity to Change: How to Overcome It and Unlock the Potential in Yourself and Your Organization (Leadership for the Common Good) https://www.amazon.co.uk/Immunity-Change-Potential-Organization-Leadership/dp/1422117367/ (Harvard Business Schoo Publishing Corporation, 2009)

This Wikipedia article gives a proper representation of Kegan’s model: https://en.wikipedia.org/wiki/Robert_Kegan