Imagine a graph with an x-axis and y-axis, where the x-axis is the level of openness, and the y-axis is the quality or rigor or prestige of the journals. There are journals in all four quadrants: excellent subscription-based journals, excellent open access journals, crappy subscription journals, and crappy open access journals. Be sure to research a journal before forming an opinion about it! (For more information about poor-quality open access journals, see Beyond Beall's List: Better Understanding Predator Publishers by Monica Berger and Jill Cirasella.)
Open Access: Six Myths to Put to Rest
by Peter Suber
In this Guardian article from 2013, OA expert Peter Suber debunks these six myths: