Only students who have completed the Responsible Conduct of Research training for doctoral students, passed the General Examination, and been admitted to candidacy by the final date to enroll for the upcoming semester may enroll in 6980. The initial enrollment in 6980 (Research for Doctoral Dissertation) must be for at least two hours. Subsequently, each doctoral student must maintain continuous enrollment in at least two hours of 6980 during each term until the requirements for the degree are completed.