When six-year-old aj is talking about gender knowledge, he demonstrates what kohlberg argues, that children under the age of seven lack knowledge of:

PRE- CONVENTIONAL STAGE

Explanation:

This level is specially common among the school children, but even sometimes adults also exhibit this level of morality.  Morality judge by direct its consequences. This stage consists of two levels of moral development and concerned with ego-centrism. A child doesn't know anything about morality what is right? and what is wrong?. A child just believes in such action which leads to some consequences. In this stage the child is egocentric, lack of recognition about the viewpoints of others, others have different and they have different viewpoints.

answer; /// the above statement is (true);