A good is one that is unique, focused, and significant. A dissertation topic should be one that has not yet been covered by someone else. If a student is simply duplicating work that has already been done in the field, he or she will not be writing a good dissertation. A good dissertation topic is also focused. The topic must be narrow enough that the student can explore it in great detail. The student should be able to become the world's foremost authority on this specific topic, so it must be narrow enough that the student can adequately handle it within the scope of a good dissertation. A good dissertation topic should also be of significant importance in the field. The research question must be one that is important to the advancement of knowledge in the field. To write a good dissertation, the student must make a significant contribution to the field.
The following notes aim to provide Master-level students with the useful tips and hints that they need to develop to be able to outline good dissertation topics or titles. Students should keep these tips in mind when formulating dissertation topics before they begin to plan their research works. The useful tips are as follows:
How to write a good dissertation - Purdue University
Never think about your dissertation plan as set in stone – a good dissertation develops as you're working on it and you’ve no need to be afraid of moving slightly away from your original plans. If you’re going wildly off track however, seek support from your supervisor as soon as possible.
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. The majority of the dissertations that faculty see are very good, and this is the level that they expect of most graduate students. for Some Good Quality Dissertation Samples to Get Better Ideas of a Masters Dissertation and Know How the Best Quality Dissertations are Written?