, Volume 111, Issue 3, pp 1869–1871 | Cite as

Confidence intervals for Journal Impact Factors



In this Letter to the Editor, it is proposed that the significance of the difference between two Journal Impact Factors be assessed by calculating confidence intervals. Formulas are provided which can be used to calculate the confidence interval on the basis of the number of papers published and the number of citations received.


Journal Impact Factor Confidence interval 


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  1. 1.Division for Science and Innovation StudiesAdministrative Headquarters of the Max Planck SocietyMunichGermany

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