You (hopefully) already have an interest in some subject-matter or area within your field, but you'll need to transform that interest into a dissertation topic which isn't easy! So how to do we develop our interests into a viable dissertation topic?
When you first start your project, you probably won't be able to fully describe each component, but that's okay. Note which components you need to work on. As you develop your project, you will inevitably have to revise these components, so it will be helpful for you to revisit this table often. Below you will find a document with a blank table to help you get started!