21. His postdoctoral research focused on the moral development of addicted individuals during their recovery. 22. Humans pass through Kohlberg / Gilligan's stages of moral development . 23. Consequently, emotions likely play an important role in moral development . 24. For the moral development , we have first the study of the Book, each Sunday. 25. The primary emotions consistently linked with moral development are guilt, shame, empathy, and sympathy. 26. Lawrence Kohlberg has led most of the studies based on moral development in adults. 27. However, there is currently little consensus among theorists on how emotions influence moral development . 28. Kohlberg believes there are higher levels of moral development and these are acquired in stages. 29. Experts say there is little doubt that empathy is essential for a child's moral development . 30. Their " moral development " is arrested, he said.