Once you've found a topic you're interested in, it's time to start narrowing that topic down into a research question. While topics can often be broad or vague, research questions are very specific and narrow. They're very limited subsections of your bigger topic, usually focusing on relationships rather than simple yes/no questions. Research questions will often start with why or how.
To get from your topic to the "why" of your research question, you'll need to ask the other four 'W' questions: what, where, when, and who are we interested in researching? The diagram below demonstrates how that narrowing process works:
