Have a look at a piece of research work that I done volunteering and the baby boom generation it breaks down your dissertation or thesis into chapters we were given guideline Ned to follow including a supervisor with whom we liaised this was an extensive piece of work however despite good supervision it was not one of the best but it does give you a step by step idea of how to approach your own piece of work
The research questions and objectives are important to determine the unit of analysis. Think what or whom your thesis is about. Are you for instance analyzing a group or an organization else? The attachment can be helpful. Make sure not to confuse the unit of analysis with the unit of observation.