Journal?s Self Citations and its Impact on h5 index of Library and Information Science (LIS) Journals of Prominent Countries: A Statistical Analysis Based on Journal Scholar Metrics
Author(s): Renjith V R, Sudhi S. Vijayan
In this study, the impact of journal self-citation on h5 index of LIS journals of prominent countries taken from Journal Scholar Metrics is compared. For comparison of h5 Index and self citations of LIS journals, Wilcoxon Signed Rank Test is used. Significance of LIS journals’ self-citations are also analyzed using the nonparametric test Wilcoxon Signed Rank Test. The study shows that there is significant impact of self citations of LIS journals on h5 index of the journals from United States of America and United Kingdom. Highly significant self citations can be seen in the LIS journals from Brazil, USA and UK. Significant self citation is also seen in LIS journals from Netherland and Spain. The study found that self-citations have a moderate but significant effect on the h-index.