An unfortunate response to the open access movement has been increased abuse of the OA author-pays model. Predatory publishers contact scholars and students and encourage them to submit papers and proposals to journals or conferences that range from nonexistant to having less-than-rigorous publication standards. Not all OA submission requests are predatory; most scholars have encountered legitimate calls for papers. Ponder the example below, what points toward legit? What indicates it may be predatory?
If you're unsure if an invitation to publish or present your work is predatory or legitimate, you're not alone! The Open Access Scholarly Publishers Association's sixteen Principles of Transparency and Best Practice in Scholarly Publishing are the most comprehensive test.
Here are some quick steps you can take to help determine the legitimacy: