Effectively using filters is an important skill to develop and use alongside all kinds of searches, but especially important for keyword searches.
Filtering results in research databases and library catalogs is the same idea as filtering your shopping search results in Amazon. Filters let you restrict the larger pool of results to those that are likely to be useful to you.
These are some filters that are common in many databases and can be very helpful in making a large batch of results more useful:
When your topic is too broad, you will get more results than you need. To narrow your topic, ask yourself the following questions (they will also help generate more keywords):
You can also add delimiters to your search, such as only searching for books or for academic journals.
The Library search offers these limiters: location in the library, type of material, language, date of publication, and publisher.
If you need to widen your search to increase your results, consider the following: