Some instructors may ask you to use a research study as part of your works cited. Here are some terms that you can add to the main idea to focus on different types of research studies. You'll need to use the Advanced Search for this search. Here's an example for you.

Now that you have a better idea of how to build the search, let's look at some other types of searches that you can use.

• case study

If you want to increase your search results, you can add similar terms linked with OR.

• cross-sectional study or cross-sectional research or cross-sectional method
• empirical study or empirical research or empirical method
• field study or field research or field method
• longitudinal study or longitudinal research or longitudinal method
• mixed methods study or mixed methods research or mixed methods
• qualitative study or qualitative research or qualitative method
• quantitative study or quantitative research or quantitative method