El año pasado Clarivate incluyó en el JCR el Journal Citation Indicator (JCI), un nuevo indicador bibliométrico. Acabamos de publicar un nuevo artículo titulado «Is there a need for a new journal metric? Correlations between JCR Impact Factor metrics and the Journal Citation Indicator—JCI» en el que estudiamos las características de este nuevo indicador y lo comparamos con el Journal Impact Factor (JIF). El objetivo final de este trabajo es responder a la pregunta ¿es realmente necesario un nuevo indicador bibliométrico de revistas? A continuación tienes el resumen:
«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.»
Torres-Salinas, D., Valderrama-Baca, P., & Arroyo-Machado, W. (2022). Is there a need for a new journal metric? Correlations between JCR Impact Factor metrics and the Journal Citation Indicator—JCI. Journal of Informetrics, 16(3), 101315. https://doi.org/10.1016/j.joi.2022.101315