How to Develop Key Words:
First, identify your research question.
Does childhood trauma play a role in drug use?
Childhood trauma and addiction are main concepts in this research question. These are the words you would use in a search.
Next, think of alternative concepts and keywords.
childhood trauma and addiction
Operators help create a more specific search string and get to the material you need. Here's how they work. Scroll to the bottom of the box for Frequently Asked Questions.
childhood AND addiction Results will contain both terms. And is used to narrow search results.
Childhood OR adolescence Results will contain either term. Or will increase the number of search results.
children NOT teenagers Results will contain the first term but exclude the second term. Not will decrease the number of results.
How many operators can I use at once?
You can use multiple operators at once. For example, you could search for childhood trauma and addiction not alcohol. This would give you information on childhood trauma and addiction but exclude results with the term "alcohol."
How can I use operators in the catalog?
From the library's homepage, select Advanced Search. This search feature has drop boxes where you can select which operators you would like to use.
Can I use these on Google?
Yes, you can! Go to https://www.google.com/advanced_search. When typing operators in Google, make sure you capitalize the operator. (Example: childhood trauma AND addiction)