European survey on scholarly practices and digital needs in the arts and humanities - Highlights Report | Zenodo

"Between 10-15% of respondents reported very frequent use of open access journals or publications, institutional portals and repositories, personal blogs or websites, and scholarly communities such as Academia and ResearchGate, to disseminate their work. A larger percentage, between 35-45%, use this ‘tetrad’ of dissemination channels regularly. On the other hand, eight out of ten state that they have used open content journals or publication, albeit seldom...."