The rankings are based on the h5-index and the h5-median. Definition: The h-index of a publication is the largest number h such that at least h articles in that publication were cited at least h times each. Citation metrics aim to assess the academic impact of a journal by measuring how often its articles are included in the reference lists of other publications. In most fields, the impact factor of 10 or greater is considered an excellent score while 3 is flagged as good and the average score is less than 1. Stories keeping journal authors in touch with industry developments, support and training, Industry developments, policies and initiatives of interest to our journal editors and editorial board members, Information for reviewers about relevant Elsevier and industry developments, support and training, Showcasing research from Elsevier journals that impact people's lives, Thought leadership for health professionals invested in the future of healthcare. The Scopus website has a page called "Sources" where you canfind a journal's CiteScore. We track a range of article and journal metrics, with the goal of providing a transparent and rich view of article and journal performance. Definition: Mathematical Citation Quotient (MCQ) for a given year is defined as the number of times the items published in the journal in the previous five years were cited by items in reference lists of journals published in the given year, divided by the number of articles the journal published in that same five-year period. 8. What matters is how a tool or an indicator is used. Following is a useful table to show you the key journal impact factors by major research categories. To score any journal in any given year, both tot up the citations received to . All of the limitations of the CiteScore apply to this metric. Journal Impact Metrics - The Lancet Its transparent: The underlying data and methodology we use are freely available for verification purposes for you to interrogate, and indeed you can even calculate a journals CiteScore yourself. Thus interpretating that way doesnt really make sense. There are several reasons why a journal might not have an Impact Factor: Only journals listed in the Science Citation Index Expanded (SCIE) and Social Sciences Citation Index (SSCI) receive an Impact Factor. The impact factor is beneficial, but when it comes to quality, then the use of the impact factor is not right.
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