A Ph.D. or other doctor’s degree that requires advanced work beyond the master’s level, including the preparation and defense of a dissertation based on original research, or the planning and execution of an original project demonstrating substantial artistic or scholarly achievement. Some examples include Doctor in Education (Ed.D.), Doctor in Musical Arts (D.M.A.), Doctor in Public Health (Dr. Ph.), Doctor of Science (D.Sc.), Doctor of Public Administration (D.P.A.), or Doctor of Management (D.M.).