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Databases are how articles are indexed; indexes primarily tell you that articles exist opposed to providing the full-text of articles. These databases cover literature that is related to this subject area. The full list of WU database is available by alphabetic list or subject. There are also guides available to walk you through how to find materials.
Academic Search Premier (ASP) is a full-text interdisciplinary database that can filter to peer-reviewed and full-text literature. This is great resource for starting your research. Includes broad based coverage of the Social Sciences in general, as well as Psychology.
PsycINFO is sometimes known by its older name, Psychological Abstracts. It is the official database of the APA, American Psychological Association, and provides coverage of more journals of Psychology than any other database. It also includes coverage of psychatry, cognitive neuroscience, organization behavior, and research from consumer oriented marketing perspectives.