Use of the h-index is controversial. Some organizations use the h-index for evaluating researchers while others do not use it. As information professionals, we do not advise using the h-index without fully understanding its limitations and caveats.
Use the h-index with extreme caution.
The h-index is a measure of publishing impact, where an author's h-index is represented by the number of papers (h) with a citation number ≥ h. For example, a scientist with an h-index of 14 has published numerous papers, 14 of which have been cited at least 14 times.
Image: Screenshot of some metrics listed in an author profile in Michigan Experts. Includes the h-index from 4 different sources: Scopus, Dimensions, Web of Science, and Europe PMC.
There are several variations of the h-index, including:
The resources below contain author profiles which list an h-index. Remember, this metric typically varies by source, so an author's h-index in Scopus may be different than the one in Google Scholar.