There are a few steps toward your doctoral degree that you get no formal preparation for. The dissertation defense is one of those activities. Sure, you have presented in your classes on a variety of topics, including the results of the research you have conducted. You might also have presented at a local, regional, or national conference. All of those activities are great in terms of preparation for your dissertation defense. However, none of them have the same kind of evaluative conclusion.
If you do not pass your dissertation defense, you will not graduate. Being ABD (all but dissertation) is not a badge that you should be proud to wear. Ideally, you will pass your defense the first time. In this blog post, I offer several tips for nailing your dissertation defense.