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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
A journal's SJR indicator is a numeric value representing the average number of weighted citations received during a selected year per document published in that journal during the previous three years, as indexed by Scopus. Higher SJR indicator values are meant to indicate greater journal prestige.
This gives those papers more time to gather citations. Several methods, not necessarily with nefarious intent, exist for a journal to cite articles in the same journal which will increase the journal's impact factor. [42] [43] Beyond editorial policies that may skew the impact factor, journals can take overt steps to game the system.
A study published in 2021 compared the Impact Factor, Eigenfactor Score, SCImago Journal & Country Rank and the Source Normalized Impact per Paper, in journals related to Pharmacy, Toxicology and Biochemistry. It discovered there was "a moderate to high and significant correlation" between them. [25]
According to the Journal Citation Reports the journal had a 2021 impact factor of 4.614, [10] but in February 2023, Clarivate delisted the journal in its main citation indexes (Science Citation Index Expanded and Social Sciences Citation Index), citing "publications that were deemed outside the scope of the journal".
The journal is abstracted and indexed in: Science Citation Index Expanded [3] Scopus [4] According to the Journal Citation Reports, the journal has a 2021 impact factor of 37.214, ranking it 2nd out of 279 journals in the category "Environmental Sciences" [5] and 1st out of 201 journals in the category "Geosciences, Multidisciplinary". [6]
According to the 2022 Journal Citation Reports, the International Journal of Management Reviews has an impact factor of 8.1. In addition, it was rated as an "A" class journal in the "Business and Management" category of the Excellence in Research for Australia rankings. [4]
According to the Journal Citation Reports, its 2014 impact factor is 2.600, ranking it 25 out of 86 journals in the category "Health Care Sciences & Services" [1] and 12 out of 70 journals in the category "Health Policy & Services". [2]