 Online Learning Update Ray Schroeder, editor, COLRS - Online@Illinois SpringfieldOnline Learning Update - a blog published daily since 2001 by Ray Schroeder, Professor Emeritus, University of Illinois at Springfield |
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Wednesday, April 10, 2002
http://chronicle.com/free/2002/04/2002041001u.htm Nebraska Researchers Measure the Extent of 'Link Rot' in Distance Education VINCENT KIERNAN Anyone who has surfed the Web knows the frustration caused by hyperlinks to Web pages that have moved or ceased to exist. For apparently the first time, two researchers at the University of Nebraska at Lincoln have measured the impact of this "link rot" on online education -- and it's not pretty. Nineteen percent of the 515 hyperlinks contained in online materials for three graduate-level biochemistry courses at the university expired sometime between August 2000, when the course materials were created, and last month, the researchers found....
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