Longitudinal Studies That Have Investigated the Stages for Moral Development

Longitudinal studies that have investigated the stages for moral development show that:

A) the final stage of moral judgments does not appear until 20 years of age
B) many people move through the stages but often regress back to previous stages
C) the correlation between age and stage of moral maturity was non-linear
D) almost all people move through the stages in a predicted order, without skipping stages