Impact Factorfor Journals

Courtney Mlinar

Spring 2010

Definition of Impact Factor:

• average number of times articles from the journal published in the past two years have been cited in the Journal Citations Report year.

A Journal with great Impact…

…is cited frequently in the References and citations in other journal articles

Find out if the journal you are usingis impacting other research…

HPD LibraryChoose Quick Links > Alphabetical

Choose ISI Web of Knowledge Database:Additional Resources

Journal Citation Reports:

2008 Report is most currentView by subject, specific journal

Select one or more categories:

May sort by impact factor, etc…

If you sort Pharm titles by Impact Factor…

Definitions:

• Rank- by sort option (Impact Factor)

• ISSN- journal identification number

• Total cites- how often this journal is cited

• Immediacy index- how quickly articles in a journal are cited

#1 Nature Reviews Drug Discovery

Follow link to Ulrich’s Periodical Directory

Ulrich’s link describes content

Select Impact Factor link:

Explains how Impact Factor was derived