A well-formed research question should include three parts:
1) the problem that you are investigating,
2) your thesis or argument, and
3) the limits of your project.
Research questions should be focused enough to guide your project. They will serve as the primary tool for defining the scope of your research, analyzing your data, and communicating results.
The Craft of Research by Wayne Booth is an excellent resource for any researcher. This book covers the entire research process from topic development to writing. It is full of sound advice presented in a straightforward and engaging style.
Leverage what you learn as you do your research
Video Tutorials about Scoping a Research Question and the Research Process
This tutorial covers the iterative nature of research, and it provides a concrete example of what it means to effectively scope your research question:
This tutorial explains why you will probably need to conduct several searches in multiple databases in order to find enough information on all aspects of your research topic:
Helpful steps for researchers