Information Science

Journal Impact Factor

A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A quantitative measure of the frequency on average with which articles in a journal have been cited in a given period of time.

MeSH Record

Classification

Broader headings

Related Concepts

Knowledge Graph

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MeSH Record

Synonyms

5 entry terms
  • Factor, Journal Impact
  • Factors, Journal Impact
  • Impact Factor, Journal
  • Impact Factors, Journal
  • Journal Impact Factors

MeSH Record

Aspects Covered

1 allowable subheadings

Indexed with the subheadings history.

MeSH Record

History Note

2009

MeSH Record

Previous Indexing

  • Bibliometrics (1989-2008)

MeSH Hierarchy

Tree Numbers

  1. L01w.462w.500w.682w.099.325w.500w
  2. L01w.462w.750.183.291w.500w

AMA Style

References

  1. National Library of Medicine. Journal Impact Factor. Medical Subject Headings (MeSH). 2026. Unique ID D055811. http://id.nlm.nih.gov/mesh/2026/D055811
  2. Journal Impact Factor. In: Wikipedia. https://en.wikipedia.org/wiki/Impact_factor
  3. Journal Impact Factor. In: Wikidata. https://www.wikidata.org/wiki/Q5330