Who proposed the six stages of moral development?

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E6 Nursing Fundamentals Potter Perry 12e Part 1 p. 167-169
E6 Robert Boland, Marcia L. Verduin - Kaplan and Sadock's Comprehensive Text of Psychiatry-Wolters Kluwer Health (2024) (pp 1-16525 of 16525) p. 2437-2439
E6 Kaplan Sadock's Synopsis of Psychiatry-2022 (pp 1-3768 of 3768) p. 2839-2841
Practise the full NVS Staff Nurse - 2022
Attempt every question from this paper in a timed mock, then review the full solution for each one.