Piaget vs. Erikson vs. Kohlberg: Developmental Stages You Need to Know

Piaget, Erikson, and Kohlberg all proposed stage theories of development, but the EPPP may test whether you can distinguish what each theorist believed was actually developing. This episode compares Piaget’s cognitive stages, Erikson’s psychosocial conflicts, and Kohlberg’s levels of moral reasoning using memorable examples and high-yield exam distinctions. You’ll also learn a simple strategy for identifying the correct theorist when an EPPP question gives you a developmental vignette.