A PhD dissertation is a lengthy, formal document that argues in defense of a particular thesis. The research performed to support the thesis must be original and substantial, and the dissertation must show it to be so. In particular, a dissertation highlights original contributions. The scientific method means starting with a hypothesis and then collecting evidence to support or deny it. The most difficult aspect of writing a dissertation consists of organizing the evidence and associated discussions into a coherent form. The essence of a dissertation is critical thinking, not experimental data: analysis and concepts form the heart of the work. A dissertation concentrates on principles: it states the lessons learned, and not merely the facts behind them. In general, every statement in a dissertation must be supported either by a reference to published scientific literature or by original work. Moreover, a dissertation does not repeat the details of critical thinking and analysis found in published sources; it uses the results as fact and refers the reader to the source for further details. Each statement in a dissertation must be correct and defensible in a logical and scientific sense; the discussions in a dissertation must satisfy the most stringent rules of logic applied to mathematics and science.
Future changes to the fee status of EU research postgraduate students enrolling in the 2017/18 academic year have yet to be formally clarified by the UK Government and will depend on the timing and terms of the UK's exit from the European Union. The University will make decisions on fee levels for EU research postgraduate students when further guidance is available from the Scottish and UK governments, and will publicise information relating to financial support available and fee levels on the University website.
Current indications are that the UK would leave the EU in 2019 so any changes would not take effect before the academic year 2019/20 at the earliest.
Your dissertation must have a thesis and this thesis must be refined. Your thesis should be a clear, precise statement of the point you want to make in your dissertation. It will help you, as a writer to decide what to say and how to say it. If your thesis statement is clear to your readers, it will help them in¬terpret the information you present by letting them know in advance the scope of your paper and your general message. Most college paper writers especially the more complex college research paper such as argumentative research paper or persuasive research papers benefit greatly from having a clear thesis presented at the beginning.