"The art and science of asking questions is the source of all knowledge." Thomas Berger
The research question is the linchpin of the research process in that all parts of the process are anchored to it. The research question will guide your literature review. The research question will lead directly to the hypothesis that you formulate. The research question that you choose to explore will help you design your study or experiment that will provide you with data. It will guide how you interpret the data to see if you answered your question, or if it leads you to other questions. Finally, the research question will frame the way you report your findings to your audience. Because it is such an important part of the process, it is important to put a great deal of time and effort into constructing a quality research question. The study or experiment conducted will only be as good as the research question that was asked.
Writing a good research question requires some thought and exploration. You should select a general area of interest to you and do some preliminary research on the topic. Examine what researchers have already discovered and reported on the topic. This will help you determine what additional information you would like to know about the topic. You may discover that your question has already been researched exhaustively, or you may discover some aspect of the topic that has never been considered by any researcher before.
After your preliminary literature review, you need to take some issues into consideration. A good research question: