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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.
Aging is a bimonthly peer-reviewed open access bio-medical journal covering research on all aspects of gerontology. The journal was established in 2009 and is published by Impact Journals. The editors-in-chief are Jan Vijg, David Andrew Sinclair, Vera Gorbunova, Judith Campisi, and Mikhail V. Blagosklonny.
In any given year, the CiteScore of a journal is the number of citations, received in that year and in previous three years, for documents published in the journal during the total period (four years), divided by the total number of published documents (articles, reviews, conference papers, book chapters, and data papers) in the journal during the same four-year period: [3]
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
While these journals still did not receive an impact factor until the next year, they did contribute citations to the calculation of other journals' impact factors. [ 4 ] [ 5 ] In July 2022, Clarivate announced that journals in the ESCI obtain an impact factor effective from JCR Year 2022 first released in June 2023.
The g-index is an author-level metric suggested in 2006 by Leo Egghe. [1] The index is calculated based on the distribution of citations received by a given researcher's publications, such that given a set of articles ranked in decreasing order of the number of citations that they received, the g-index is the unique largest number such that the top g articles received together at least g 2 ...
In 2020, the journal had an impact factor of 5.141. [1] According to the Journal Citation Reports, in 2013, the journal ranked 2nd out of 92 journals in the "Social Sciences, Interdisciplinary" category, [2] and 26th out of 111 journals in the "Psychology, Clinical" category. [3] The journal incorporates the Annual Review of Sex Research since ...
Research on Aging is abstracted and indexed in Scopus and the Social Sciences Citation Index. According to the Journal Citation Reports, its 2012 impact factor is 1.298, ranking it 13th out of 30 journals in the category "Gerontology". [1]