a dissertation is not an easy task at all. It not only requires a lot of time but also a lot of concentration, dedication and a free mind. The worst part of dissertation writing is getting started. To help you get started on your thesis and let you have the answer of the burning question i.e. how to write a dissertation, here is a technical checklist of the following things you need to have and to do.
The first step is to choose your thesis topic. Naturally, this should be something with which you're familiar. You have to do some narrowing and trimming in the topic-selection process, especially if you belong to a large discipline; in demography, for instance, you have to decide whether you want to do a study in migration, fertility, mortality, etc. After specifying your field, choose your particular topic and formulate your thesis statement.
Chances are, there is someone on your Committee whom you like and trust. Taking your problem to them is a good option. You might be able to work something out so that they can take over as your Dissertation Advisor without causing too much of a fuss. Choose an adviser and also a former dissertation writers who has specialized knowledge about the field you've chosen and an extensive knowledge about the research process, research methods, thesis-writing, and relevant reading materials.
If you think thesis-writing is all just writing, you are wrong. Thesis work involves a lot of reading and researching. You can also get help from different dissertation help writing service. Find and read researches and studies already done on the subject or topic you have choose; this way, you'll know what has and hasn't been done so you can differentiate your thesis from all that has been written on the same topic.
This will show how you will justify your study and how you will ensure that your results will be valid and acceptable to the academic community. The theories, concepts and approaches which you have learned from your reading materials should come in handy here.