Is there a need for a new journal metric? Correlations between JCR Impact Factor metrics and the Journal Citation Indicator—JCI

• DOI: 10.1016/j.joi.2022.101315
• Publication Date: 2022-07-21T16:49:21Z
• Authors: Daniel Torres-Sal...; Pilar Valderrama-...; Wenceslao Arroyo-...
• Keywords: Journal citation indicator; Normalized indicators; Correlations; Journal Citation Reports; 05 social sciences; Scientific journals; 0509 other social sciences; Journal impact factor

Ministry of Science and Innovation, Spain (MICINN) Spanish Government PID2019-109127RB- I00/SRA/10.13039/501,100,011,033 Spanish Government FPU18/05,835<br/>In 2021, Clarivate published a new version of the Journal Citation Reports (JCR) including a new indicator. The Journal Citation Indicator (JCI) is a new field-normalized metric at journal- level, which is calculated by averaging the Category Normalized Citation Impact (CNCI) of the journal’s articles and reviews published in the preceding three-year period. Unlike the Journal Impact Factor (JIF), it is also calculated for the journals of the Arts & Humanities Citation Index (AHCI) and the Emerging Sources Citation Index (ESCI), which are now included in the JCR. To better understand this new indicator, this article analyses its main statistical characteristics in comparison with the other JCR indicators using all JCR journals and categories. The results highlight the similarities between the JCI and JIF, with a high Pearson correlation (0.853) and a similar distribution. This correlation is also high and homogeneous in the different categories, both for Science and Social Sciences. The JCI is therefore a perfect complement to the JIF, as well as representing an alternative to resolve the well-known problems of the JCR.<br/>University of Granada/CBUA<br/>