Clarivate Analytics announced that it was moving toward a future that calculated the Journal Impact Factor (JIF) based on the date of electronic publication and not the date of print publication.
Will this results in a significant drop in journal impact factors?
As usual you will find for and against depending on the adopted strategy for promotion in universities, especially southern hemisphere versus northern hemisphere. Moreover, From the economic point of view what will happen to paid open source publishing versus mix approach followed by well known journals!
Read along more:
https://scholarlykitchen.sspnet.org/2020/12/07/jif-calculation-2021/
Hi everyone
A temporary boost in journal Impact Factors is expected
This is what I found :
* In October 2020, Clarivate confirmed that they plan to introduce Early Access content to the 2021 edition of the JCR in a ‘phased manner’.
* What will happen in the 2021 JCR release?
the citations in the Impact Factor numerator will include citations made by Early Access papers, and will be drawn from citing articles with the Early Access publication year of 2020 (or Issue Cover year 2020, where Early Access year is not available).
* The implications for Impact Factors
This ‘phased approach’ will almost certainly yield a temporary boost in journal Impact Factors across the JCR, since the numerator will include citations from Early Access articles while Early Access articles remain excluded from the denominator. This boost will be compounded by the fact that for this first year, citations with an Early Access year of 2019 and an Issue Cover year of 2020 (which would not have counted in the 2019 Impact Factor numerator) will be included in the 2020 Impact Factor numerator as 2020 citations.
Source: https://www.wiley.com/network/featured-content/early-access-and-the-impact-factor-changes-to-the-jcr
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