Analysis of the new scopus CiteScore

Hui Fang ()
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Hui Fang: Nanjing University

Scientometrics, 2021, vol. 126, issue 6, No 35, 5331 pages

Abstract: Abstract This study analyzes the new version of CiteScore. Because the formula used to calculate the new CiteScore contains more items representing early citations, it has a bias in favor of journals that have high proportion of early citations within 4 years after publication. Similarly, the formula to calculate the CiteScore of year Y contains more items representing the citations received by eligible documents (EDs) published by a journal in Y − 3. Therefore, new CiteScore of year Y is more affected by the impact of the EDs published in Y − 3 than by the impact of the EDs published in Y − 2, than in Y − 1, and than in Y. Moreover, the impact of the EDs published in Y − 3 more heavily influences the CiteScore of Y than the traditional JIF of Y with the citation window expanded so that it covers Y − 3 to Y. The above properties of new CiteScore are proved with some simplifying assumptions because a strict proof is difficult. Examples that demonstrate these properties are also provided. Finally, a suggestion is given to improve the rationality of the journal impact indexes.

Keywords: CiteScore; Journal impact factor; Early citations; Citation window; Publication (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:spr:scient:v:126:y:2021:i:6:d:10.1007_s11192-021-03964-5

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DOI: 10.1007/s11192-021-03964-5

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