•Kohlberg’s inspiration – Piagets theory of moral development, based on a social-cognitive and social-emotional perspective.•Piagets belief about children’s morality aged 10 and under and when he believes morality fully develops.•How Kohlberg disagreed and what he believed in relation to the development of morals.•What Kohlberg proposed in relation to the development of morals- briefly outlined the 3 level sequence.Kohlberg was inspired by the work of Piaget and his theory of moral development in children. Piaget placed a structural approach on moral development suggesting that individuals morality develops from a social- cognitive and social-emotional perspective.However Piaget believed that children younger than 10 are focused on authority rather than evaluating their actions based on their own morals, but that it is around this age that children start to develop their moral compass, which is developed by adolescence.However, Kohlberg disagreed with Piaget and believed that moral development continued into early adulthood.This prompted Kohlberg to develop a three level, six stage process of moral development to explain how moral development progresses through these stages and evidenced this theory in his longitudinal study of moral reasoning.