Duke Medical Center Library & Archives Blog
Tag: impact factor
Journal Impact Factor News
Posted On: Wednesday, November 10, 2021 - 10:32 by Margaret Graton
Did you notice a jump in the Journal Citations Report Impact Factor for one of your favorite journals this year? If so, good catch!
Journal Impact Factor calculations depend on the calendar year of publication. For journals that still publish in print, Clarivate traditionally used the print publication date to determine the year of publication. However, in the past 20 years, various models of online publication (early view, advance access, accepted articles) have been introduced. Typically, these online articles are citable with a stable DOI, weeks to months before they appear in a print issue, but have not been counted in the Journal Impact Factor until their print publication date.
For 2021, Clarivate has changed the game. …MORE
Tags: impact factor