What Are Predatory Journals? Definition, Warning Signs & Examples

Metric verification

How to verify a journal impact factor

The phrase “impact factor” is often used loosely, but the Journal Impact Factor is a specific metric issued within Clarivate’s journal reports. Verification requires the exact journal title, year, provider, and official record.

Maintained by the Beallslists.com editorial review team · Last reviewed: July 16, 2026

Verification steps

  1. Write down the metric exactly as displayed, including year.
  2. Confirm whether the journal claims a Clarivate Journal Impact Factor or another metric.
  3. Search the exact title and ISSN in Clarivate’s official journal information.
  4. Check the metric year and title history.
  5. Compare the official value with the website claim.
  6. Save the record for institutional use.

Alternative metrics are not automatically invalid

CiteScore, SJR, SNIP, h-index measures, download counts, article-level citations, and publisher-calculated indicators can provide useful information. They should be labeled accurately and should not be presented in a way that causes readers to mistake them for the Clarivate Journal Impact Factor.

Warning signs

  • No metric year is shown.
  • The provider name is missing or resembles a recognized organization.
  • The journal pays to receive a score.
  • The methodology cannot be found.
  • The value is unusually high across many unrelated journals.
  • The logo does not link to an official record.
  • A Google Scholar calculation is called simply “Impact Factor.”

How responsible journals present metrics

A responsible page names the provider, exact metric, year, and source. For a publisher-calculated figure, it should show the formula, citation source, date of calculation, document types included, and limitations. Readers should be able to reproduce or question the result.

Institutional requirements

Universities and funders may recognize only certain metrics or database statuses. A journal’s marketing claim does not determine eligibility. Check the policy that applies to your appointment, grant, degree, or assessment period.

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