Table 4.

Normality tests

	K-S	p-level	Lilliefors p	S-W W	p-level
Model	0.517	< 0.01	< 0.01	0.365	0.000
Radiologist 1	0.200	< 0.05	< 0.01	0.863	0.001
Radiologist 2	0.205	< 0.15	< 0.01	0.956	0.280