The Key Difference Between Gender Schema Theory and Kohlberg's Theory

The key difference between gender schema theory and Kohlberg's theory is that

A) Kohlberg's theory is cognitive; gender schema is not.
B) to form the initial gender schema, a child need not understand that gender is permanent.
C) gender schema theory only applies to preschoolers; Kohlberg's theory applies to all ages.
D) Kohlberg's theory is not research-based.
E) gender schema theory is largely psychoanalytic.