Final answer:
In Lawrence Kohlberg's theory of moral development, the type of moral reasoning used by most adults is called conventional morality.
Step-by-step explanation:
In Lawrence Kohlberg's theory of moral development, the type of moral reasoning used by most adults is called conventional morality. This is the second level of moral reasoning, following the preconventional level. In the conventional level, individuals begin to consider what society considers moral and immoral.