Developing a Thesis Statement Once you've researched your topic, you need to formulate an argumentative thesis statement, not an observation. Your thesis should argue why your topic is important and influential. It should be debatable and not provable with 100% certainty. Your thesis will frame the rest of your paper, with every paragraph aimed at proving it. While initial research helps form your first thesis, it may change as you learn more. Examples of good thesis statements argue specific positions on broad topics like media, education, and college with supporting reasons.