The UK Joint Information Systems Committee and the British Library have just released a major (17,00 student) study of the behaviors and beliefs of “Generation Y” (eg born 1983-1992) doctoral students involving social media, information access, and related matters.
The entire report is interesting and I recommend you check out the following tables and figures:
Responses to statements about open access (page 26)
Attitude of (main) doctoral supervisor to openness and sharing in research (page 51)
The report is available at: