As you search, you will come across four different kinds of articles—the most frequently used source for research. Knowing the difference between them will help you find better information. Click on each kind of periodical to find out more about the articles they publish.

Scholarly	Scholarly articles have been reviewed by subject experts before publication. They contain a lot of jargon and must include a bibliography. Popular articles are not reviewed by subject experts. They tend to be shorter, contain less jargon, and have many more images and ads.	Popular
Trade	Trade articles are written by subject experts, but are not reviewed by other experts before publication. They may contain jargon and include bibliographies. Newspaper articles are written by staff writers and journalists. There is no subject expert review. These articles are often very short and never have bibliographies.	Newspaper