How To Find Impact Factor Of A Research Paper

The following are the most commonly used journal metrics:

1. Impact Factor

You can get the Impact Factor of a specific journal title or for various journal titles in a particular subject category by accessing the Journal Citation Reports (JCR) database.

a) For a specific journal title, search for the journal in the Search Box by title or ISSN

In the example below, the latest Impact Factor for Nanotechnology is 3.44.

b) For journal titles in a particular subject category, select the subject category and click Submit.

Note:

  • Each JCR edition for a year is released in the following year in roughly June or July. For example JCR 2014 was released in June/July 2015, while JCR 2017 is only expected to be out in June/July 2018.
  • Not all journals indexed in Web of Science have an Impact Factor. See some of the reasons.

 

2. CiteScore, SNIP and SJR

Alternatively, you can access other journal metrics, such as CiteScore, SNIP and SJR from Journal Metrics. Similarly, you can retrieve journal metrics for a specific journal title or for various journal titles in a particular subject category.

For more information on these journal metrics, please visit our libguide.

Journal impact factor was invented by Thomson Reuter (ISI). A journal's impact factor is a measure of the frequency with which an "average article" in that journal has been cited during a certain time period. Thomson Reuter publishes journal impact factors annually in the Journal Citation Report (JCR). The library does not subscribe to this report.

There are alternative ways to find the journal impact factor for a particular journal:

  • Often the journal will publish its impact factor on its own website.

  • You can also find the most high impact journals in Sci-Bytes, a Thomson Reuter newsletter archived at ScienceWatch.com. The best way to sift through these Sci-Bytes lists and find a high impact journal in your subject area is through archived pages of the University of Delaware Library's website, as captured by the Internet Archive.

To learn about the ways in which a journal's impact factor can be used, please visit the Thomson Reuter impact factor.

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