  Kohlberg presents a theory according to which morality develops in approximately six stages, though according to his research, few adults actually reach the fifth or sixth stages. In this respect Kohlberg’s theory departs from classic stage theory, as in Piaget, since the sequence of stages does not culminate in the capacity shared by normal adults. However, Kohlberg maintained that no one skips a stage or regresses to an earlier stage. Although Kohlberg sometimes considered the possibility of a seventh or eighth stage, these are his basic six: 