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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. As a journal-level metric, it is frequently used as a proxy for ...
Scientific Reports is a peer-reviewed open-access scientific mega journal published by Nature Portfolio, covering all areas of the natural sciences. The journal was established in 2011. [ 1 ] The journal states that their aim is to assess solely the scientific validity of a submitted paper, rather than its perceived importance, significance, or ...
According to Journal Citation Reports, the journal has a 2022 impact factor of 9.4. [1] PNAS is the second most cited scientific journal, with more than 1.9 million cumulative citations from 2008 to 2018. [2] In the past, PNAS has been described variously as "prestigious", [3] [4] "sedate", [5] "renowned" [6] and "high impact". [7]
[A 3] However, by 1894, Science was again in financial difficulty and was sold to psychologist James McKeen Cattell for $500 (equivalent to $17,610 in 2023). [citation needed] In an agreement worked out by Cattell and AAAS secretary Leland O. Howard, Science became the journal of the American Association for the Advancement of Science in 1900.
The following is a partial list of scientific journals. There are thousands of scientific journals in publication, and many more have been published at various points in the past. The list given here is far from exhaustive, only containing some of the most influential, currently publishing journals in each field.
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 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]
As of 2024, Journal Citation Reports lists the journal's impact factor for 2023 as 8.7. It was rated number one of 180 titles in Zoology, number one of 80 in "Agriculture, Dairy, and Animal Sciences", number one of 168 in "Veterinary Science" and number three of 174 titles in Biotechnology and Applied Microbiology. [2]