A thesis is based on a decisive body of work. The writer, who is also the student decides on a topic to write on. They craft a statement that they have researched upon and move from there with direction on their next steps. These next steps come from planning. The thesis statement comes at the end of the first paragraph of your academic paper. It is part of the structure that comes with writing a thesis. In order to do good work, one must be organized and that is where the thesis plan comes in.