Completed dissertations have been written and rewritten. A few dissertations are remarkable or outstanding in some aspect. Outstanding dissertations are characterized by originality, high-quality writing, and compelling consequences. The very good dissertation is very good indeed. It fulfills the purposes of the dissertation requirement and establishes the student as a capable social scientist. A dissertation that meets the basic criteria for the award of the PhD is considered acceptable. Sometimes an acceptable dissertation is the result of choices and compromises. Faculty advisors should provide the guidance necessary to ensure that the dissertation meets professional standards. The advisor should make sure that the student is working with a clearly defined question or problem and must make sure that the student is using proper methods.