Table 2.

Ranking of 12 restricted randomization procedures with respect to balance/randomness tradeoff for a trial with n = 50 subjects

Rank	Design	Imb(n)	FI(n)	d(n)
1	BSD(3)	0.226	0.316	0.389
2	GBCD(2)	0.220	0.344	0.409
3	GBCD(1)	0.341	0.240	0.417
4	ABCD(2)	0.170	0.419	0.452
5	GBCD(5)	0.121	0.522	0.536
6	BCD(2/3)	0.233	0.487	0.540
7	BCDWIT(2/3, 3)	0.148	0.560	0.579
8	Rand	0.505	0.318	0.597
9	PBD(4)	0.082	0.813	0.818
10	TBD	0.868	0.225	0.896
11	PBD(2)	0.052	1.000	1.001
12	CRD	1.014	0.000	1.014