For some classes you may be asked to find Case Studies. The databases have a tool called limiters. These limiters allow you to do just that, limit your results to a particular item or attribute. A Case Study is a document type, which in many databases is a limiter. Oftentimes there are differences among the databases when it come to limiters. Examples would be: Case Study may be under Publication Type; they may be called Case Reports as well. Limiters are typically found on the Advanced Search screen of the database. Here are a few examples from popular databases used in Communication Sciences and Disorders.
- ComDisDome & Linguistics and Language Behavior Abstracts Advanced Search screen
![](https://libapps.s3.amazonaws.com/accounts/91530/images/doc_type_comdisdome_2.png)
- Education Full Text Advanced Search screen
![](https://libapps.s3.amazonaws.com/accounts/91530/images/doc_type_ebsco.png)
- Medline with Full Text Advanced Search screen; Here it is under Publication Type and has a choice of Case Reports as well.
![](https://libapps.s3.amazonaws.com/accounts/91530/images/pub_type_medline.png)