Table 1.

Policies on Sharing Materials and Data of 56 Most Frequently Cited Journals by Publisher and by Content



Percentage of journals

All journals (N = 56)
Society or Association publishers (N = 37)
Commercial publishers (N = 19)
Life sciences journals (N = 38)
Clinical-medical journals (N = 18)
Journals with a policy 55 51 58 68 28
Policy specifies:
Sharing materials 39 30 58 47 22
Sharing software 2 0 5 3 0
Depositing data 41 35 58 53 17
Statement of consequences 2 3 0 0 6
Whom to contact
4
3
5
3
6

[i] Adapted from the Committee on Responsibilities of Authorship in the Biological Sciences, reprinted with permission from The National Academy of Sciences, courtesy of The National Academies Press © 2003.