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Impact Factors

ISI Journal Impact Factor

ISI Journal Impact Factor - Journal Citation Reports
The number of times an average article in the journal was cited during <time period>

What is considered a good impact factor?
FAQ from MD Anderson Cancer Center Research Medical Library

How to find the ISI Impact factor for a journal

The Henry Madden Library does not subscribe to ISI's Journal Citation Reports.
However the ISI impact factor or other ranking is sometimes on the journal's website, e.g.:
         Annals of Botany
         Impact factor: 3.646
         5-Yr impact factor: 4,246

    Can't find a journal's website?
    Ulrich's International Periodicals Directory Off-campus connection requires login