When searching the research databases you will find articles from a range of different types of periodicals. While some more popular or non-scholarly articles may be suitable for certain types of projects, many professors will ask that you use articles from scholarly or even peer-reviewed journals. (Read more about how to find peer-reviewed and scholarly articles.)
Characteristics of major periodical types are listed below. Still not sure if an article comes from a scholarly journal, trade publication, or popular magazine? Your best strategy is to look up information about the periodical using Ulrich's Periodical Directory.
| Scholarly Journals |
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Written by academics and professors, aimed at fellow scholars in the field
Language is scholarly and/or technical
Articles include extensive documentation and bibliographies
Published by scholarly or university presses
Often incorporate the process of peer-review
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Examples: Journal of Abnormal Psychology, American Literary History, Plasma Physics |
Professional, Trade, or Industry Journals |
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Geared toward practitioners in a given field
Authors tend to use the jargon of the field
Topics include current events, industry analyses and forecasts, or professional advice
May be published by professional or industry associations
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Examples: Dairy Today, Best’s Review, Science Teacher |
Commentary and Opinion Journals |
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Tend to focus on social and political issues, and/or current events
Authors may have different levels of education, expertise, and/or bias |
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Examples: New Republic, Mother Jones, Atlantic Monthly |
Newspapers |
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Written for general educated audience
National or local information
Usually current events
May vary in reputation and credibility
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Examples: Grand Rapids Press, New York Times, Wall Street Journal |
Popular Magazines |
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Written for general audience
Meant to inform or entertain
Glossy in appearance and often includes many graphics and advertisements
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Examples: Newsweek, Sports Illustrated, Reader's Digest |
Identifying Types of Periodicals 
