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Because impact factor is commonly accepted as a proxy for research quality, some journals adopt editorial policies and practices, some acceptable and some of dubious purpose, to increase its impact factor. [38] [39] For example, journals may publish a larger percentage of review articles which generally are cited more than research reports. [8]
For instance, most papers in Nature (impact factor 38.1, 2016) were only cited 10 or 20 times during the reference year (see figure). Journals with a lower impact (e.g. PLOS ONE, impact factor 3.1) publish many papers that are cited 0 to 5 times but few highly cited articles. [21]
For example, the 2017 CiteScores were reported first in 2018 when all data was available completely. CiteScores are typically released in late May, [5] approximately one month earlier than the JCR impact factors. [6] Scopus also provides the projected CiteScores for the next year, which are updated every month. [3]
The h-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The h-index correlates with success indicators such as winning the Nobel Prize, being accepted for research fellowships and holding positions at top universities. [1]
Author Impact Factor: Author Impact Factor (AIF) is the Impact Factor applied to authors. [5] The AIF of an author in year is the mean number of citations given by papers published in year to papers published by in a period of years before year . Unlike the h-index, AIF is able to capture trends and variations of the impact of the scientific ...
The 2023 impact year in review: Alphabet soup and ESG no more, COP as the new Davos, and more. Peter Vanham. December 21, 2023 at 10:25 AM. Malte Mueller via Getty Images.
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.
Higher SJR indicator values are meant to indicate greater journal prestige. SJR is developed by the Scimago Lab, [5] originated from a research group at the University of Granada. The SJR indicator is a variant of the eigenvector centrality measure used in network theory. Such measures establish the importance of a node in a network based on ...