[header] How to write a conclusion for a research paper [title] Restate the topic. [step] You should briefly restate the topic as well as explaining why it is important. [substeps] Do not spend a great amount of time or space restating your topic. 
A good research paper will make the importance of your topic apparent, so you do not need to write an elaborate defense of your topic in the conclusion. Usually a single sentence is all you need to restate your topic.