Your research question directs the focus of your research. It is a question that your assignment or research project aims to answer. It is an open-ended question it is not a final claim or conclusion. A well-developed research question helps writers avoid the “all-about” paper and work toward supporting a specific, arguable thesis.
Performing background research may reveal that your topic or research question is too broad (large) in focus or too narrow (small) in focus. You may have found too many or too few results to meet your information needs or assignment requirements. For example, a topic like "electric cars" will be too broad and return too many results and too many potential areas for research. If you are researching just one particular electric car that may be too narrow of a focus. A better research question would be "Are electric cars good for the environment?"