Difference between revisions of "Theme:74cc5c52-3073-4fef-8307-34a76326d665"
From The Embassy of Good Science
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|Has Parent Theme=Theme:8453f98b-244e-4147-9268-504afbe9d878 | |Has Parent Theme=Theme:8453f98b-244e-4147-9268-504afbe9d878 | ||
|Title=H-index | |Title=H-index | ||
| − | |Is About=The h-index, introduced by Jorge Hirsch in 2005, is a metric that conveys both the productivity and citation impact of an individual researcher <ref>Hirsch JE. An index to quantify an individual's scientific research output. Proceedings of the National academy of Sciences 2005;102(46):16569-16572.</ref> | + | |Is About=The h-index, introduced by Jorge Hirsch in 2005, is a metric that conveys both the productivity and citation impact of an individual researcher. <ref>Hirsch JE. An index to quantify an individual's scientific research output. Proceedings of the National academy of Sciences 2005;102(46):16569-16572.</ref> If a researcher has a h-index of 5 then the researcher has 5 publications with 5 or more citations. A h-index of 75 means that there are 75 publications with 75 or more citations. It thus becomes progressively more difficult to increase one’s h-index, and h-indices are exponentially distributed among scientists. |
<references /> | <references /> | ||
|Important Because=The h-index was partially introduced as an improvement over simply counting the quantity of a researcher’s publications. A researcher with 10 publications may have a higher h-index than a researcher with 100 publications. | |Important Because=The h-index was partially introduced as an improvement over simply counting the quantity of a researcher’s publications. A researcher with 10 publications may have a higher h-index than a researcher with 100 publications. | ||
However, as with any other metric, it is possible to ‘game’, or artificially increase, one’s h-index. Some well-established strategies include: | However, as with any other metric, it is possible to ‘game’, or artificially increase, one’s h-index. Some well-established strategies include: | ||
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*Self-citation (cf. Italian scientists increase self-citations in response to promotion policy <ref>Chawla DS. Italian scientists increase self-citations in response to promotion policy. 2018; Available at: <nowiki>https://www.natureindex.com/news-blog/italian-scientists-increase-self-citations-in-response-to-promotion-policy</nowiki>. Accessed 29 May, 2019.</ref> | *Self-citation (cf. Italian scientists increase self-citations in response to promotion policy <ref>Chawla DS. Italian scientists increase self-citations in response to promotion policy. 2018; Available at: <nowiki>https://www.natureindex.com/news-blog/italian-scientists-increase-self-citations-in-response-to-promotion-policy</nowiki>. Accessed 29 May, 2019.</ref> | ||
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<references /> | <references /> | ||
|Important For=Funders; Senior researchers; Junior researchers; Early career researchers; PhD students | |Important For=Funders; Senior researchers; Junior researchers; Early career researchers; PhD students | ||
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{{Related To | {{Related To | ||
Latest revision as of 17:41, 20 October 2020
ThemesH-index
What is this about?
The h-index, introduced by Jorge Hirsch in 2005, is a metric that conveys both the productivity and citation impact of an individual researcher. [1] If a researcher has a h-index of 5 then the researcher has 5 publications with 5 or more citations. A h-index of 75 means that there are 75 publications with 75 or more citations. It thus becomes progressively more difficult to increase one’s h-index, and h-indices are exponentially distributed among scientists.
- ↑ Hirsch JE. An index to quantify an individual's scientific research output. Proceedings of the National academy of Sciences 2005;102(46):16569-16572.
Why is this important?
The h-index was partially introduced as an improvement over simply counting the quantity of a researcher’s publications. A researcher with 10 publications may have a higher h-index than a researcher with 100 publications.
However, as with any other metric, it is possible to ‘game’, or artificially increase, one’s h-index. Some well-established strategies include:
- Self-citation (cf. Italian scientists increase self-citations in response to promotion policy [1]
- Honorary authorship (putting a distinguished researcher on an authorship list often increases citation)
- Publishing on ‘hot topics’
- Writing review papers (often more cited than original studies)
Any aspect of citation bias can be taken advantage of for improving h-index.
- ↑ Chawla DS. Italian scientists increase self-citations in response to promotion policy. 2018; Available at: https://www.natureindex.com/news-blog/italian-scientists-increase-self-citations-in-response-to-promotion-policy. Accessed 29 May, 2019.
For whom is this important?
The Embassy Editorial team, Iris Lechner contributed to this theme. Latest contribution was Oct 20, 2020
