Publisher Elsevier has introduced a CiteScore index that could challenge the influential Journal Impact Factor.
The CiteScore index, launched on 8 December, uses a formula that is similar to that of the Journal Impact Factor and measures the average number of citations that journal articles receive.
However CiteScore counts all the potentially citable documents that journals produce, including editorials, letters and news items, not just peer-reviewed papers. CiteScore also looks at citations over a three-year window rather than JIF’s two-year period.
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