Predatory publishing is a practice where a company creates a journal (or in some cases monographs or academic conferences) on false pretenses for the purposes of defrauding authors, helping authors deceive their colleagues, or both. Predatory journals make their money through expensive Article Processing Charges (APCs) to scholars in exchange for accepting their manuscripts for review. The publisher may promise rigorous peer review or editorial oversight, but they appear to publish every author who has paid the fee.
Known Deceptive Practices:
Because legitimate and scholarly open access journals or open access models of publication charge author processing charges, you will need to conduct further investigation to determine if a journal is predatory or not. There is no one single factor to determine this, but here are some common-sense guidelines to consider:
See also the "16 Principles of Transparency" criteria developed in partnership with the Committee on Publication Ethics (COPE), the Directory of Open Access Journals (DOAJ), the Open Access Scholarly Publishers Association (OASPA), and the World Association of Medical Editors (WAME). Their criteria offers a best practice guideline for scholarly publishers and a method to evaluate the validity of open access journals.
Source: Think.Check.Submit.org. https://thinkchecksubmit.org/
For more information on the world of predatory publishing, including the resources used to build this guide, check out this recommended reading: