To find an evidenced-based research article in psychology available in the APUS library, use PsycARTICLES(which you can access from the menu bar at the top of the Library Homepage under Research > Research Tools > Databases).
From the advanced search screen, use the “Methodology” search box to limit your search to the specific types of research study methodology needed, including empirical, experimental, field, clinical case, longitudinal, qualitative, and quantitative. See an example screen capture:
More information about APUS library psychology resources is available in the Psychology Research Guide. From the menu bar at the top of the Library Homepage, select Research > Research Tools > Research Guides.