Table 1.

The type I error rate for the approximate randomisation test from 5000 replicates of a 2-arm trial of size T = 100 using a FLGI with block size b = 20 (J = 5) and under the case of Scenario (i) depicted in Figure 2 (top-right plot).

α (s.e.)	p* (s.e.)	∆ENS	D
0.0445 (0.21)	0.501 (0.21)	0.19	0
0.0480 (0.21)	0.506 (0.22)	−0.17	0.08
0.0449 (0.20)	0.494 (0.23)	0.02	0.16
0.0445 (0.21)	0.499 (0.24)	0.23	0.24