researching on the internet
TRANSCRIPT
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Researching on the Internet
Cameron McKinley
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� History Day supports and reinforces the
efforts of teachers by emphasizing basic
writing, reading and research skills. The
program takes education beyond the
classroom, encouraging the use of libraries,
historical societies, and museums. Most
importantly, the program stimulates and
rewards student initiative, creativity, and
excellence
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Topics
� Power Searching
� Evaluating
� Safety
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Bernajean Porter…from Digitalespresentation at AETC
�By 2010 information will
double every 72 hours.
�75 % of what we know was
not there 25 years ago
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How Big is an Exabyte?
1,000,000,000,000,000,000 bytes OR 1018 bytes
2 Exabytes: Total volume of information generated in 1999.
5 Exabytes: All words ever spoken by human beings.
Exabyte (EB)
1,000,000,000,000,000 bytes OR 1015 bytes
1 Petabyte: 3 years of EOS data (2001).
2 Petabytes: All U.S. academic research libraries.
20 Petabytes: Production of hard-disk drives in 1995.
200 Petabytes: All printed material.
Petabyte (PB)
1,000,000,000,000 bytes OR 1012 bytes
1 Terabyte: 50000 trees made into paper and printed.
2 Terabytes: An academic research library.
10 Terabytes: The print collections of the U.S. Library of Congress.
400 Terabytes: National Climactic Data Center (NOAA) database.
Terabyte (TB)
1,000,000,000 bytes OR 109 bytes
1 Gigabyte: a pickup truck filled with books.
20 Gigabytes: A good collection of the works of Beethoven.
100 Gigabytes: A library floor of academic journals.
Gigabyte (GB)
1,000,000 bytes OR 106 bytes
1 Megabyte: A small novel OR a 3.5 inch floppy disk.
2 Megabytes: A high-resolution photograph.
5 Megabytes: The complete works of Shakespeare.
10 Megabytes: A minute of high-fidelity sound.
100 Megabytes: 1 meter of shelved books.
500 Megabytes: A CD-ROM.
Megabyte (MB)
1,000 bytes OR 103bytes
2 Kilobytes: A Typewritten page.
100 Kilobytes: A low-resolution photograph.
Kilobyte (KB)
Table 1.1: How Big is an Exabyte?
Source: Many of these examples were taken from Roy Williams ?Data Powers of Ten? web page at Caltech.
5 Exabytes =
37,000 new libraries
the size of the
Library of
Congress
collections!
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Searching
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Information LiteracyDistinguish fact from fictionDo targeted searches
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Who owns site? http://www.easywhois.com/
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Who owns site?
Site Owner
Date Modified
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Use Country Codes
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Keyword Challengehttp://21cif.imsa.edu/tutorials/challenge/Q2Q/KeywordChallenge.swf
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Digital Investigator Traininghttp://21cif.imsa.edu/resources/lapackage
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Kermit the Frog Search Challengehttp://21cif.imsa.edu/tutorials/challenge/SC001/SC_002.swf
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Kermit the Frog Answerhttp://www.southampton.liu.edu/news/commence/1996/kermit.htm
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Learn Effective Searching
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Using Databases
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AVLhttp://www.avl.lib.al.us/
Mckinley
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Original Documents Onlinehttp://www.ourdocuments.gov/content.php?page=milestone
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Tools to help you
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Evaluating
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Research Findings (gifted, second-semester high school sophomores) � 36% recognized the optimal query from a list of three queries (about the same as guessing). By contrast, 14% of incoming freshmen at a local high school were able to select the optimal query.
� 31% grasped that search engines perform literal matching.
� 17% regularly use natural language queries.
� 12% misinterpreted the research question by substituting different search concepts.
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Photo Filter-Free Program
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Anyone can speak on the web
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E-mail Hoaxes
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Photoshttp://www.museumofhoaxes.com/photos/photos.html
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Lincoln Photo Hoaxhttp://www.museumofhoaxes.com/photos/02calhoun.html
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Hoax Photo Testhttp://www.museumofhoaxes.com/tests/hoaxphototest.html
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Martin Luther King-Google Search
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Wikipedia
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More Reliable Wikipedia-Citizendiumhttp://en.citizendium.org/wiki/Main_Page
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Nobel Prize.org http://nobelprize.org/
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Links all point to this site
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Stormfront
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Web Eval Formhttp://www.cyberbee.com/content.pdf
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http://liblearn.osu.edu/tutor/les1/sitepurpose_quiz.html
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Evaluation Wizard-Authorhttp://21cif.imsa.edu/tools/evaluate/
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Site
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Links From
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Links To
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Print Sources
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Date
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Accuracy
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Bias
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Evidence
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Expert Reviews
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Evaluating Digital Resourceshttp://21cif.imsa.edu/resources/lapackage/evaluate/evaluate.htm
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21st Century Information Fluency Project http://21cif.imsa.edu/tools/
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More Resourceshttp://21cif.imsa.edu/resources/
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Safetyhttp://www.netsmartz.org/media/julie-300k.asx
http://www.netsmartz.org/media/teresa-300k.asx
http://www.netsmartz.org/resources/reallife.htm#realcanttake
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What have you learned? Get your clickers ready…1. All information on the web is true.
2. I should use a variety of sources in my research.
3. The link command shows me who is linking TO a site.
4. I need to practice searching to become more effective.
5. There are lots of online tutorials I can use to help me.
6. Subscription Databases can provide more accurate data than web searches.
7. The AVL is expensive to join.
8. Photos on the Internet are always accurate.
9. Anyone can add to Wikipedia
10.It is dangerous to share personal information on the web-even a little bit.
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What have you learned? Answers:1. All information on the web is true. FALSE
2. I should use a variety of sources in my research. TRUE
3. The link command shows me who is linking TO a site. TRUE
4. I need to practice searching to become more effective. TRUE
5. There are lots of online tutorials I can use to help me. TRUE
6. Subscription Databases can provide more accurate data than web searches. TRUE
7. The AVL is expensive to join. FALSE-it is free
8. Photos on the Internet are always accurate. FALSE
9. Anyone can add to Wikipedia TRUE in most cases
10.It is dangerous to share personal information on the web-even a little bit. TRUE