Document (#38054)

Author

Visscher, A. De

Title

What does the g-index really measure?

Source

Journal of the American Society for Information Science and Technology. 62(2011) no.11, S.2290-2293

Year

2011

Series

Brief communications

Abstract

It was argued recently that the g-index is a measure of a researcher's specific impact (i.e., impact per paper) as much as it is a measure of overall impact. While this is true for the productive "core" of publications, it can be argued that the g-index does not differ from the square root of the total number of citations in a bibliometrically meaningful way when the entire publication list is considered. The R-index also has a tendency to follow total impact, leaving only the A-index as a true measure of specific impact. The main difference between the g-index and the h-index is that the former penalizes consistency of impact whereas the latter rewards such consistency. It is concluded that the h-index is a better bibliometric tool than is the g-index, and that the square root of the total number of citations is a convenient measure of a researcher's overall impact.

Footnote

Vgl.: Visscher, A. De: Response to "remarks on the paper by a. De Visscher, 'what does the g-index really measure?' ". In: Journal of the American Society for Information Science and Technology. 62(2013) no.9, S.1960-1962.

Theme

Informetrie

Object

g-index

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