Table 3.

The number of citizen science projects distributed by their openness across open science principles

		Number of projects by openness score
Open science principle	Number of projects per principle (after NA removal)	− 1 (Closed)	0.5 (Partially Open)	1 (Open)
Open access	42	15 (35.7%)	0 (0%)	27 (64.2%)
Open code	26	9 (34.6%)	8 (30.8%)	9 (34.6%)
Open data	42	5 (11.9%)	8 (19%)	29 (69%)
Open DMP	41	26 (63.4%)	10 (24.4%)	5 (12.2%)
Open preregistration	41	27 (65.9%)	11 (26.8%)	3 (7.3%)
Open software	33	5 (15.2%)	9 (27.3%)	19 (57.6%)