Table 2.

Statistical analysis used in Figure 7A

Lux [Log (cd.s/m2)]	a-wave		b-wave
	p value	Method	p value	Method
−0.3	0.443	Unpaired t test	0.970	Unpaired t test
−1	0.443	Unpaired t test	0.970	Unpaired t test
−1.6	0.443	Unpaired t test	0.970	Unpaired t test
−2.1	0.136	Unpaired t test	0.970	Unpaired t test
−2.8	0.727	Unpaired t test	0.742	Unpaired t test
−3.4	0.478	Unpaired t test	0.764	Unpaired t test
−4	0.211	Unpaired t test	0.953	Unpaired t test
0	0.443	Unpaired t test	0.234	Unpaired t test
0.7	0.425	Unpaired t test	0.234	Unpaired t test
1	0.531	Unpaired t test	0.234	Unpaired t test
1.3	0.531	Unpaired t test	0.234	Unpaired t test
2.4	0.531	Welch t test	0.999	Unpaired t test