There are some very unique ways in which you will be able to understand the level of knowledge that you have earned in your academics. One of these is in how quickly you can find your way to a good paper on doctoral studies in the realm that you are looking for. Some of these may be the ones that you need right at the moment and some can be brought up when you have the additional time. There are in fact several samples that are available on the web right at this moment.
A sample on a doctoral academic paper is mostly a previous paper written at a previous level for the same subject or study level. There have been several people that have made the most of the available time and this is one of the major reasons we see the need for samples for people who are perusing courses at this moment.
You may have written something in the past for a previous project that may be used as a sample at this point of time. You may also have composed something that is similar to the ones you understand and that might take you to a different level altogether.
If you already have a sample, you should look at some of the places where you may verify if that is good enough for you.
There are quite a few places where goof academic samples for doctoral dissertations can be found.