Journals have increasingly adopted policies that embrace some or all of the Open Access core elements such as: readership, reuse, copyright, posting, and machine readability.
However, journal policies do not always have the same degree of Open Access. So the question becomes: "How Open is it?"
The image below illustrates the components that define Open Access to help you make an informed decision about where to publish.
HowOpenIsIt? TM Open Access Spectrum, by Scholarly Publishing and Academic Resources Coalition and Public Library of Science
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