Databases have a special "limit" button to search for "peer-reviewed" journal articles. (See the examples for Academic Search Complete, Academic OneFile).
When you use the "limit" button for "peer review", your search results will include original research articles, review articles, editorials, news and book reviews. Your professor will give you specific guidelines for what kinds of peer-review articles are acceptable for your assignment.
Original research articles are formatted using the following structure: (Introduction, Methods, Results and Discussion)
Academic Search Complete (EBSCO) On Campus | Off Campus
Contains articles from nearly 4,500 journals in many areas of academic study including: computer sciences, engineering, physics, chemistry, language and linguistics, arts & literature, medical sciences, ethnic studies, and many more.
Limits for Scholarly (Peer-Reviewed) Journals are available to customize your search.
Academic OneFile (Gale) On Campus | Off Campus | Tutorial
Formerly InfoTrac OneFile, this database provides articles from over 8000 journals in a wide variety of subjects.
Limits for Scholarly (Peer-Reviewed) Journals are available to customize your search.