All Doctoral Degree Communication Courses for the Public Communication Concentration Click on the course or instructor for more detailed information. Comm 8050: Principles of Persuasion Credit Hours: 3 Comm 8090 : Communication Ethics Credit Hours: 3 Comm 8100: Theories of the Public Credit Hours: 3 Comm 8410: Qualitative Methods Credit Hours: 3 Comm 8600: Literary Journalism Credit Hours: 3 Comm 8710: Seminar in Mass Communication Theory Credit Hours: 3 Comm 8720: Seminar in Writing for Mass Audiences Credit Hours: 3 Comm 8730: Seminar in International Media and Culture Credit Hours: 3 Comm 8740: International Political Economy of the Media Credit Hours: 3 Comm 8790: Seminar in Public Communication Credit Hours: 3