Evaluating Information
Use the CRAAP Test
Currency - Is it timely?
Relevance - Useful for your purposes?
Authority - Who? What is the source?
Accuracy - References to back it up?
Purpose - Why? Is there a bias?
More detailed information on the CRAAP Test
Databases for Finding Articles
Biological Sciences Databases
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BIOSIS Citation IndexA Web of Science database with citation analysis functionality, focusing on life sciences and biomedical research.
Interdisciplinary Science Databases
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Web of Science - All DatabasesA major multidisciplinary database for the sciences and the social sciences, as well as a great research metrics tool.
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ScopusThe world's largest interdisciplinary literature index, including over 67 million journal records. Especially strong in science, engineering, technology, and medicine.
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Google ScholarGoogle Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
Health Sciences Databases
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PubMed (with links to UofA e-journals)A database comprising more than 27 million citations for biomedical literature from MEDLINE, life science journals, and online books.
Peer Reviewed Journals
To determine whether a journal is peer reviewed, search for it in Ulrich's Periodicals Directory and look for the little referee symbol: 
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