Sometimes, a topic that seems like the right size can seem way too big after you’ve learned a little more about it. When this happens, you need to narrow the focus of your topic. You can do this by considering different ways to restrict your research topic.
Some of the ways you can limit your topic are by:
For example, attempting to research alcohol use would be very overwhelming. However, researching reasons for alcohol abuse by female college students in the U.S. during the 1980s might be just right.
(adapted from U of Michigan - Finding and Exploring Your Topic)
Sometimes you will find that your topic is too narrow - there is not enough published on your topic. When this happens, you can try to broaden your topic. There are a couple of strategies you can try when broadening your topic.
One strategy is to choose less specific terms for your search:
Another strategy is to broaden your topic by changing or removing limits from your topic:
For example, trying to research drug abuse by homeless youth in Springfield, IL in 1997 might be too difficult/specific. However, a researching drug abuse by homeless youth in the U.S. during the 1990s might be just right.
(adapted from U of Michigan - Finding and Exploring Your Topic)