Evaluating the scientific output: H-index

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What is it?

The H-index, a method  of measuring the productivity and impact of an academic’s work, is often used as a component or metric in the ranking of higher education institutions and their staff. The h-index was developed by J.E. Hirsch, University of California in 2005.

  • The h-index defined: a researcher has an h-index of 25 if 25 of their papers have been cited at least 25 times.
  • The principle citation databases used are: Web of Science , Scopus and Google Scholar.
  • These factors should be kept in mind when assessing the h-indices of researchers, mainly when applying for grants.  

Scopus H-index

Web of Science H-index

Google Scholar H-index