NIH MeSH · D055811Information Science
Journal Impact Factor
Also known asFactor, Journal Impact · Factors, Journal Impact · Impact Factor, Journal · Impact Factors, Journal · Journal Impact Factors
Definition
A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.
MeSH classification
- L01.462.500.682.099.325.500
- L01.462.750.183.291.500
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Altmetrics
Non-traditional journal impact measures that include tracking of downloads; mentions in SOCIAL MEDIA, NEWS reports, BLOGS, and online ENCYCL…
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Common questions about Journal Impact Factor
What does Journal Impact Factor mean in medicine?
A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time. This definition is taken from the National Library of Medicine's MeSH (Medical Subject Headings) 2026 release, which is the standard vocabulary used to index PubMed and most medical literature.
Is Journal Impact Factor known by any other names?
Yes. Journal Impact Factor is also referred to as Factor, Journal Impact, Factors, Journal Impact, Impact Factor, Journal, Impact Factors, Journal in different clinical, research and patient-facing contexts. The MeSH descriptor groups all of these synonyms under a single canonical concept so research and records stay consistent.
Where does Journal Impact Factor sit in the medical classification?
Journal Impact Factor falls under the broader medical category "Information Science" in the MeSH hierarchy (tree numbers: L01.462.500.682.099.325.500, L01.462.750.183.291.500). Browsing the related concepts on this page takes you to neighbouring topics in the same branch of medicine.
Where can I get a plain-language explanation of Journal Impact Factor?
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Source: NIH MeSH 2026 (D055811) — National Library of Medicine, public domain. View official MeSH record ↗