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Journal impact factors are debated, with English journals potentially benefiting from the "Mathew effect." Individual article citation counts and author H-indexes offer fairer evaluations than journal impact factors.

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Area of Science:

  • Bibliometrics
  • Scientific Communication
  • Scholarly Publishing

Background:

  • The journal impact factor (JIF), popularized by the Institute for Scientific Information, is widely used for evaluating scientific articles, authors, and institutions.
  • Concerns exist regarding the JIF's limitations, including its potential for misuse and inherent biases.
  • Disparities in JIFs between English-language journals and those in other languages warrant investigation.

Purpose of the Study:

  • To discuss reasons behind the higher citation counts of certain scientific articles.
  • To critically examine the merits and pitfalls of journal impact factors.
  • To propose alternative metrics for evaluating scientific contributions.

Main Methods:

  • Analysis of citation patterns in scientific literature.
  • Discussion of the 'Mathew effect' in scientific recognition.
  • Comparative evaluation of journal impact factors and individual article citation metrics.

Main Results:

  • The 'Mathew effect' may contribute to the higher visibility and citation rates of articles in English-language journals, particularly those authored by eminent scientists.
  • A significant portion of major scientific achievements may not be reflected in the top 100 most cited articles.
  • Citation distribution within journals is highly skewed, with a substantial number of articles receiving zero citations.

Conclusions:

  • The journal impact factor is a flawed metric that does not accurately represent the value of individual scientific articles or authors.
  • Each article should be assessed based on its own citation count, serving as a de facto impact factor for the article.
  • Author evaluation should rely on metrics like the H-index, which better reflect an individual's cumulative research output and impact.