(Photo Credit: Brandon Cirillo) Another benefit of narrowing your focus is that you will have a structured search strategy in place when conducting your literature review.
It may sound obvious but having a clear idea of what to look for will save you valuable time and energy.Unless you are researching something unique, most topic areas will have an established body of research from which to draw upon. In such cases you should endeavor to familiarize yourself with both the traditional/classic studies in the field, as well as the most up-to-date research.