Guides · 8 min read
How to Tell If a Journal Is Predatory: A Researcher's Checklist
Every academic gets the emails: a flattering invitation to submit to a journal you've never heard of, with a promise of rapid publication for a fee. Some of those journals are predatory — they charge to publish but skip the genuine editorial and peer-review work that gives a paper credibility. Publishing in one can waste your fee, bury good research where no one trusts it, and follow your CV for years. Here is how to tell the difference, using checks that reviewers and librarians actually rely on.
What “predatory” actually means
The term predatory publishingwas coined by Jeffrey Beall, a University of Colorado Denver librarian, who from 2010 maintained a widely-cited list of questionable open-access publishers. He took “Beall's List” down in 2017, and it has not been updated since — so archived copies are a starting point, never a verdict, because thousands of new titles have appeared since (see the community-maintained archive and Cabells Predatory Reports, a paid, curated successor). The practical definition today: a journal that prioritises collecting an author fee over real peer review, editorial rigour, and transparency.
Warning signs — the red flags
No single sign is proof, but several together are a strong signal to walk away.
Solicitation and promises
- Unsolicited, flattering “call for papers” emails, often with your name misspelled or your field wrong.
- Guaranteed acceptance, or a suspiciously fast turnaround (“peer review in 48 hours”) — genuine review takes weeks to months.
- Pressure to submit quickly, or a “discount” that expires soon.
Fake or misleading metrics
- An unfamiliar “impact factor”. The only official Journal Impact Factor comes from Clarivate's Journal Citation Reports; invented labels like “Universal Impact Factor” or “Global Impact Factor” are red flags.
- Vague or unverifiable “indexing” claims — logos of Scopus, Web of Science or DOAJ that don't hold up when you check the source directly.
Website and editorial red flags
- Grammar and spelling errors, broken links, or stock photos throughout the site.
- A missing, vague, or unverifiable editorial board — or well-known scholars listed who never agreed to serve.
- Hidden or unclear author fees (APCs), and no way to reach the publisher by a real address, phone, or named contact.
- A title that closely mimics an established journal — a sign of a “hijacked” or cloned journal.
How to verify a journal properly
Flip the red flags into a positive checklist. A trustworthy journal will pass most of these, and the tools below are free and authoritative.
- Run it through Think. Check. Submit. — a free, cross-industry checklist that walks you through the questions that matter before you submit.
- Check indexing at the source. Confirm the journal is actually listed in the services it claims — Scopus, Web of Science Master Journal List, or, for open access, DOAJ (the DOAJ Seal marks the highest standards).
- Look for ethics-body membership. Membership in COPE (Committee on Publication Ethics) or OASPA is a marker that legitimate venues tend to display.
- Verify the editorial board. Search a few named editors on Google Scholar — do they exist, publish in the field, and list this journal?
- Confirm the ISSN and publisher resolve to this exact journal, and read the peer-review and fee policies before you commit.
PubScope pulls these verifiable signals together into a 0–100 Trust Score: indexing in Web of Science, Scopus and DOAJ, ethics-body membership (COPE/OASPA), quartile rank and PubMed listing — with predatory-risk flags factored in. It reflects public data sources, not opinions, and links out so you can confirm each signal yourself.
The bottom line
Predatory journals rely on urgency and flattery to skip the checks you would normally make. Slow down, verify indexing and ethics membership at the source, and treat unsolicited invitations with healthy suspicion. A few minutes of checking protects work that took you months or years.