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A periodical is a generic term used for popular magazines, trade or professional journals, and scholarly journals. They are materials that are published at regular intervals (monthly, quarterly, daily, etc.).
Magazines are commercial publications intended for a general audience for the purpose of informing and entertaining.
Trade journals also fall between magazines and journals, but their focus includes more product and business information.
Journals are specialized, scholarly publications written by authorities in the field. They usually include bibliographies.
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LIBRARY DATABASES |
GOOGLE |
Relevancy Most relevant returns will rise to the top or any order you specify |
Popularity Google uses it’s PageRank system so the first result is the most popular, not necessarily the most relevant |
Sorting The databases allow you to sort by date, relevance, author, and more. |
No Sorting There is no easy way to sort or limit Google results |
Authority Databases take their articles from the original print sources |
Everyone Google searches all kind of sites, including personal and commercial so you never know if you trust the information |
Free You should not have to pay for articles you retrieve from databases |
Pay Google Scholar may ask you to pay for the content |
Professional/Scholarly/Peer Reviewed Professionally published information – Content is evaluated by publishers for authority and accuracy and licensed for electronic distribution |
Personal Much personally generated content – Anyone can publish anything to the Internet whenever they want |
You've probably been asked to find peer reviewed articles to use in your research. Wondering what peer review means and why it's important to scholarship and research? Check out the video tutorial for more information.
Articles that are published in peer-reviewed or refereed journals are recognized as scholarly contributions to their academic or medical field. You can identify peer-reviewed journals by searching for the journal title in Ulrich's Periodical Directory.