Table 4. Mean r_wg(j) values and intraclass correlations for survey measures (n = 354).

Variable	rwg(j)	ICC(1)	ICC(2)
Organisational unit groups
Intentions to share data	0.7609**	0.1916	0.7634
Peer support	0.6795*	0.1165	0.6421
Openness	0.8834**	0.1680	0.7331
Disciplinary groups
Intentions to share data	0.7096**	0.1234	0.8171
Journals	0.8115**	0.0404	0.5722
Repositories	0.7368**	0.1185	0.8102
Domain groups
Intentions to share data	0.7264**	0.1063	0.8048
Regulatory inhibitors	0.5838**	0.1444	0.8539
Contractual inhibitors	0.5602**	0.2295	0.9116

* Denotes that the rwg(j) value is above the upper expected 95% confidence interval estimated using rwg.j.sim.

** Denotes that the rwg(j) value is above the upper expected 99% confidence interval estimated using rwg.j.sim.