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The h-index is an author-level metric that measures both the productivity and citation impact of the publications, initially used for an individual scientist or scholar. The h -index correlates with success indicators such as winning the Nobel Prize, being accepted for research fellowships and holding positions at top universities. [1]
- What Is The H-Index and How Is It calculated?
- The Influence of The H-Index
- The Problems with The H-Index
The H-Index is a numerical indicator of how productive and influential a researcher is. It was invented by Jorge Hirsch in 2005, a physicist at the University of California. Originally, Professor Hirsch wanted to create a numerical indication of the contribution a researcher has made to the field. At the time, an established measure was raw citatio...
While the H-index might have been created for the purpose of evaluating researchers in the area of theoretical physics, its influence has spread much further. The index is routinely used by researchers in a wide range of disciplines to evaluate both themselves and others within their field. For instance, H-indexes are now a common part of the proce...
There are some dangers that come with the increasing prevalence of H-scores. It is difficult to compare H-scores across fields. H-scores can often be higher in one field (such economics) than another field (such as literary criticism). Like any citation metric, H-scores are open to manipulation through practices like self-citation and what one of m...
Dec 27, 2023 · The h-index, also known as the Hirsch index or Hirsch number, is a metric that attempts to measure the productivity and citation impact of a scientist or researcher. It was introduced by physicist Jorge E. Hirsch in 2005 as a tool for determining theoretical physicists' relative quality and is now used in all disciplines.
Jun 9, 2022 · To calculate an h-index using the result set, perform the following steps: 1. From the Results page, sort the result list by Times Cited -- highest to lowest by using the “Sort by:” box on the right hand side of the screen. 2. Find the record with the same number of Times Cited as the number of the record in the list.
Oct 23, 2023 · It is only meaningful when compared within the same discipline, as h-indices will vary from subject to subject. Authors with a shorter career are at a disadvantage, as it is limited by total number of publications. For Hirsch's paper introducing the H-index, see See J. E. Hirsch An index to quantify an individual's scientific research output.
Apr 26, 2021 · The m-index is the quotient of the researcher’s h-index and her or his research age: mp = hp / tp (Hirsch 2005, p. 16,571). An m -value of 2 would mean, for example, that a researcher has reached an h-value of 20 after 10 research years. Meanwhile, the h-index is strongly wired in our scientific system.
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Jun 28, 2024 · The h-index, or Hirsch index, measures the impact of a particular scientist rather than a journal. "It is defined as the highest number of publications of a scientist that received h or more citations each while the other publications have not more than h citations each."
