In the folders corresponding to research chapters, create sub-folders for data, notes, and drafts. Concede that an existing point of view has certain merits but that it needs to be qualified in certain important respects.
Of the two formats, the thesis-by-chapter format is probably the most common, as it minimizes the work required to prepare, edit, and proof the contents for publication as discrete research articles. Acknowledgements This is your opportunity to mention individuals who have been particularly helpful.
Filling in the detail It can be a good idea to put the word limit to the back of your mind at this point, and concentrate on getting everything recorded in a document. Alternatively you could choose to start at stage 2. It is certainly an academic exercise, but perhaps not too different from the concise explanations of your research you may have had to give to relatives and neighbours over the last few years, in terms of its brevity, accessibility, and comprehensiveness.
A guide to better writing for scientists, engineers and students.
Leave time to check and proofread thoroughly. Though the thesis should be viewed as a self-contained body of work, for the sake of brevity it is necessary to assume that readers will have a rudimentary understanding of background material.
It should obviously be according to the course and line of interest.