March 20, 2007
A debate on the impact factor
A glance at the current issue of BMJ: A debate on the impact factorA measure originally intended for ranking the value of
journals to researchers may have a distorting influence on
publishers, as well as on agencies that finance research, writes
Hannah Brown, a journalist in England.
The measure, known as the "impact factor," tallies citations to a journal's articles in other scientific papers. Ms. Brown reports that the increasing importance given to impact factors may be
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