* open ended. It will definitely not solicit a "yes/no" answer.
* specific and focused. People have written series of books about certain issues. Think about all of the aspects that relate to the issue of poverty. One could write a book. However, if you focus your question to look at an aspect of poverty, then you will not feel overwhelmed in your search and are more likely to find an answer.
Let's take a general issue and see if we can focus it into a couple of good research questions:
Period One
School Safety
Discounting heinous, mass killings, is regular school violence really on the uprise?
Have metal detectors shown to cause a drop in school violence?
How prevalent is horrific school violence in other countries?
What are schools doing to make their environments safer?