Journal Impact Factor™

Definition: The mean number of citations to research articles in that journal over the preceding two years. It is a proprietary and opaque calculation marketed by Clarivate™. Journal Impact Factors are not associated with the content quality or the peer review process.

Related terms: <a href='/glossary/dora/'>DORA</a>, <a href='/glossary/h-index/'>H-index</a>

References: Brembs et al (2013), Curry (2012), Naudet et al. (2018), Rossner et al. (2008), & Sharma et al. (2014)

Drafted and Reviewed by: Jacob Miranda, Tsvetomira Dumbalska, Adam Parker

Note that we are currently working on an automated mechanism to link references cited above with their full-length version that can be found at with all references used so far.