Internet Sources An Introduction to evaluating information on the Internet
Why Evaluate Web Sources? Amount of information Anonymity No quality control Ease of publishing
Internet myths Everything is on the Internet Everything is free All the information on the Internet is true
Basic Evaluation Criteria Accuracy Authority Objectivity Currency
ACCURACY Is the information reliable and based on fact?
Accuracy: Problems Anyone can publish on the Web Most websites are unfiltered (no one to check the facts)
Accuracy: Questions Who is responsible for the accuracy of the web page? The author? The webmaster? ME! I Dood It!
Accuracy: Questions Does the author list sources? Can the information be verified elsewhere
Accuracy Example /airchives/classical/cat/cat. html
AUTHORITY Qualifications of the author Reputation of the publisher
Authority: Problems Authorship difficult to determine on many web pages Author’s qualifications often not given ?
Authority: Questions Who wrote or sponsors the page? Can you contact the author? ( address)
Authority: Questions What are the author’s credentials? Is the author affiliated with an institution?
Authority Example apeCanaveral/Lab/4485/ind ex.html
OBJECTIVITY Is the information on the web page biased? Is the author trying to influence your opinion on the topic?
Objectivity: Problems Web makes a great “virtual soapbox” Many groups don’t explicitly state their goals
Objectivity: Questions What is the purpose of the web page, stated or not? (Is it really an ad?) How detailed or one- sided is the information given?
Objectivity: Questions Does the author(s) state any personal opinions? Is this page trying to convince me of something? If so, what?
Objectivity Example et/
CURRENCY Timeliness of information / Up-to-date
Currency: Problems A great many documents are created and allowed to sit on the web for years without being updated Many web pages don’t indicate a date of creation or last revision
Currency: Questions When was the web page created? When was it last updated? Is there a copyright date? Update me NOW!!!
Currency: Questions Do all the links work? Does the information on the page seem somehow out of date? I feel so out-of-date