The following databases cover disciplines outside of social psychology but which may be related to your topic. Include the term "psychology" as one of your search terms.
Know the difference between scholarly and non-scholarly articles.
Good guide provided by:
University of Arizona
"Scholarly" journal = "Peer-Reviewed" journal = "Refereed" journal
To determine if your article is from a scholarly journal:
Google Scholar searches specifically for scholarly literature, including peer-reviewed papers, theses, books, preprints, abstracts and technical reports from all broad areas of research.