In kohlberg's three levels of moral development, the preconventional stage is based on behavior.

obedience

Explanation:

Lawrence Kohlberg was an American psychologist born October 25, 1927 and is widely known for his theory of stages of moral development. According to my research on Kohlberg's studies, I can say that based on the information provided within the question the preconventional stage is based on obedience behavior. During this stage children judge an action based on its consequences and decide whether to obey or not.

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