First of all, they are helpful in selecting the dissertation title or theme. The dissertation samples are supposed to help you out that how to make an important and considerable topic or title with absolute interest.
Secondly, they can help you develop the dissertation research statement as you can see the real example of a dissertation research statement.
The sample of dissertation papers can really be highly useful lint he complete dissertation writing process and they can give you the ideas of editing and proofreading as well. When you are reading the dissertation samples papers, you can realize that which mistakes have been ignored and which ones have been strictly marked. So every part of your dissertation paper must be edited and proofread prior to submitting them and you have to make sure that the technical factors of spelling, logical factors and grammatical structure are well checked.