What are the key concepts of your topic? Can you broaden or narrow your focus? Consider focusing on one or more of the following:
Does your topic overlap other subject areas such as anthropology, geography or political science?
Choose a Question that is Neither Too Broad or Too Narrow
For example, if you choose juvenile delinquency (a topic that can be researched), you might ask the following questions:
More sample questions - http://www.esc.edu/online-writing-center/exercise-room/research-question-broad-or-narrow/
Sample courtesy of SUNY-Empire State College at http://www.esc.edu/online-writing-center/resources/research/research-paper-steps/developing-questions/