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Published byDella Weaver Modified over 9 years ago
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Finding and Evaluating Sources
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Online Catalog: Search ALL the resources of the library; access through library computers or remotely through Internet Electronic Databases: Access to hundreds of newspapers, magazines, journals; may include lists of citations and abstracts or entire articles and books Reference Works: Generalized or Specialized Encyclopedias Sources for Facts and Statistics: Reference works; available online or in reference section
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Illini Bluffs HS Library http://illinibluffsmshslibrary.weebly.com/data bases.html Illinois State University http://library.illinoisstate.edu/library- materials/find-materials/databases.php Illinois Central College http://apps.icc.edu/library/research/
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INTERNET Coverage is general, haphazard Sources may not contain bibliographic info Web postings are not filtered Material is posted by anyone, regardless of qualifications LIBRARY DATABASES Coverage is focused and often discipline-specific Sources contain bibliographic info Databases are created by librarians and scholars Material is checked for accuracy and quality
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1. Entering a Web site’s URL 2. Doing a keyword search (all search engines) broad term (civil war) specific term (Battle of Gettysburg) use “AND” or quotation marks to limit hits 3. Doing a subject search (some search engines) choose from list of general subjects (science) choose from list of subtopics (environment) given list of web sites that may apply
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http://guides.emich.edu/content.php?pid=9 8230&sid=736436 http://guides.emich.edu/content.php?pid=9 8230&sid=736436
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A source is authoritative when it is written by an expert Ask: Is there an author listed? If not, who decides what is published? If so, what else has the author written? If so, do other authorities on the Web recognize this person as an expert? Is there a sponsoring organization? If you can not determine the degree of authority of material, do not use the site as a source
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A source is accurate if you can rely on the information it contains. Reliable: sources published by university presses or scholarly journals, books published by commercial presses, articles in high-level magazines, newspaper articles Ask: How does the information compare to other sources? Does the author include citations? What information about the author is on the Web? If you can not determine the objectivity of material, do not use the site as a source
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A source is objective when it is not unduly influenced by personal opinions or feelings (bias does not automatically disqualify a source) Ask: Are writer’s conclusions supported by evidence? Or are they a result of emotional reactions or preconceived ideas? Does the advertising on a site affect its objectivity? Does a site’s commercial purpose create a conflict of interest? If you can not determine the accuracy of material, do not use the site as a source
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A source is current if the information it contains is up-to-date Print sources have publication dates For Web sites and blogs, ask: When was the Web site last updated? What are the dates of individual articles? Are the links on the site still live? If you can not determine if the site has current material, do not use the site as a source
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A source is comprehensive if it covers a subject in sufficient breadth and depth Your purpose and audience determines how comprehensive you need a source to be Ask: Does it discuss your topic in one or two paragraphs? Or devote more space to it? What is the level of the source? Appropriate for high school research? Or college level? If a source is not comprehensive enough for your needs, do not use the site as a source
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