All the world's a Stage
Kohlberg, Kegan, and the stages of morality
For one chapter in Break, Blow, Burn, & Make, I read Jèmeljan Hakemulder’s The Moral Laboratory, which cited a study finding an average change in subjects from Kohlberg’s Stage 2 to Stage 3 after treatment. I glanced at Lawrence Kohlberg’s theory of moral stages, formed on the model of Jean Piaget,1 and was fascinated by what I saw, but had no time to di…