Comparison of journal and top publisher self-citation rates in COVID-19 research.

<h4>Introduction</h4>Journal self-citation contributes to the overall citation count of a journal and to some metrics like the impact factor. However, little is known about the extent of journal self-citations in COVID-19 research. This study aimed to determine the journal self-citations...

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Main Author: Alvaro Quincho-Lopez
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2024-01-01
Series:PLoS ONE
Online Access:https://doi.org/10.1371/journal.pone.0314976
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author Alvaro Quincho-Lopez
author_facet Alvaro Quincho-Lopez
author_sort Alvaro Quincho-Lopez
collection DOAJ
description <h4>Introduction</h4>Journal self-citation contributes to the overall citation count of a journal and to some metrics like the impact factor. However, little is known about the extent of journal self-citations in COVID-19 research. This study aimed to determine the journal self-citations in COVID-19 research and to compare them according to the type of publication and publisher.<h4>Methods</h4>Data in COVID-19 research extracted from the Web of Science Core Collection 2020-2023 was collected and further analyzed with InCites. The journals with the highest self-citation rates and self-citation per publication were identified. Statistical comparisons were made according to the type of publication and publishers, as well as with other major infectious diseases.<h4>Results</h4>The median self-citation rate was 4.0% (IQR 0-11.7%), and the median journal self-citation rate was 5.9% (IQR 0-12.5%). 1,859 journals (13% of total coverage) had self-citation rates at or above 20%, meaning that more than one in five references are journal self-citations. There was a positive and statistically significant correlation of self-citations with the other indicators, including number of publications, citations, and self-citations per publication (p<0.001). Editorial materials contributed more to journal SC with a median self-citation rate of 5%, which was statistically higher than other documents such as articles, letters or reviews (p<0.001). Among the top twelve publishers, the Multidisciplinary Digital Publishing Institute had a median self-citation rate of 8.33% and was statistically higher than the rest (p<0.001). Self-citation rates for COVID-19 were lower than tuberculosis and HIV/AIDS, but self-citations per publication of these diseases were statistically lower than those for COVID-19 (p<0.001).<h4>Conclusion</h4>Some journals from the Web of Science Core Collection displayed exorbitant journal self-citation patterns during the period 2020-2023. Approximately, one in every five paper references in COVID-19 is a journal self-citation. Types of publication such as editorials engage in this practice more frequently than others, suggesting that in COVID-19 research, self-citing non-citable items could potentially contribute to inflate journal impact factors during the pandemic.
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spelling doaj-art-f707043c34b44c1a832aab38e1827c852024-12-10T05:32:26ZengPublic Library of Science (PLoS)PLoS ONE1932-62032024-01-011912e031497610.1371/journal.pone.0314976Comparison of journal and top publisher self-citation rates in COVID-19 research.Alvaro Quincho-Lopez<h4>Introduction</h4>Journal self-citation contributes to the overall citation count of a journal and to some metrics like the impact factor. However, little is known about the extent of journal self-citations in COVID-19 research. This study aimed to determine the journal self-citations in COVID-19 research and to compare them according to the type of publication and publisher.<h4>Methods</h4>Data in COVID-19 research extracted from the Web of Science Core Collection 2020-2023 was collected and further analyzed with InCites. The journals with the highest self-citation rates and self-citation per publication were identified. Statistical comparisons were made according to the type of publication and publishers, as well as with other major infectious diseases.<h4>Results</h4>The median self-citation rate was 4.0% (IQR 0-11.7%), and the median journal self-citation rate was 5.9% (IQR 0-12.5%). 1,859 journals (13% of total coverage) had self-citation rates at or above 20%, meaning that more than one in five references are journal self-citations. There was a positive and statistically significant correlation of self-citations with the other indicators, including number of publications, citations, and self-citations per publication (p<0.001). Editorial materials contributed more to journal SC with a median self-citation rate of 5%, which was statistically higher than other documents such as articles, letters or reviews (p<0.001). Among the top twelve publishers, the Multidisciplinary Digital Publishing Institute had a median self-citation rate of 8.33% and was statistically higher than the rest (p<0.001). Self-citation rates for COVID-19 were lower than tuberculosis and HIV/AIDS, but self-citations per publication of these diseases were statistically lower than those for COVID-19 (p<0.001).<h4>Conclusion</h4>Some journals from the Web of Science Core Collection displayed exorbitant journal self-citation patterns during the period 2020-2023. Approximately, one in every five paper references in COVID-19 is a journal self-citation. Types of publication such as editorials engage in this practice more frequently than others, suggesting that in COVID-19 research, self-citing non-citable items could potentially contribute to inflate journal impact factors during the pandemic.https://doi.org/10.1371/journal.pone.0314976
spellingShingle Alvaro Quincho-Lopez
Comparison of journal and top publisher self-citation rates in COVID-19 research.
PLoS ONE
title Comparison of journal and top publisher self-citation rates in COVID-19 research.
title_full Comparison of journal and top publisher self-citation rates in COVID-19 research.
title_fullStr Comparison of journal and top publisher self-citation rates in COVID-19 research.
title_full_unstemmed Comparison of journal and top publisher self-citation rates in COVID-19 research.
title_short Comparison of journal and top publisher self-citation rates in COVID-19 research.
title_sort comparison of journal and top publisher self citation rates in covid 19 research
url https://doi.org/10.1371/journal.pone.0314976
work_keys_str_mv AT alvaroquincholopez comparisonofjournalandtoppublisherselfcitationratesincovid19research