Once you're in your final year, it's time to write a good dissertation. Students wonder how to choose a topic for it. Well, it's important to check the requirements of the institute first such as word count, deadline, etc. Make sure to pick a topic that's neither too broad nor too narrow. Also, keep in mind to have enough time at the end or else you would be struggling to edit my dissertation. Also, look for books, and research, and keep it relevant to your degree. And ensure that it's plausible. Lastly, don't forget to get opinions from experts of fellow students.