For this class, you will be primarily interested in empirical studies (original research). Use the Methodology limiter in PsycInfo to narrow to these types of studies.
APA describes the methodology field values found in the PsycInfo and PsycArticles databases.
- In addition to the Empirical Study limiter, there are also limiters for Clinical Case Study and Treatment Outcome/Clinical Trial.
A Methodology limiter (as the names suggests), limits or narrows the results.
- "birth order" AND personality (without a methodology limiter = 1173 results)
- "birth order" AND personality (with a methodology limiter of Empirical Study = 557 results)