Dimensional Evolution of Intelligent Cars Human-Machine Interface considering Take-Over Performance and Drivers’ Perception on Urban Roads

Table 4

Features of the 14 dimensions.

Tasks and dimensions		Mean (dm)	Std. deviation	Minimum (dm)	Maximum (dm)
A1	a11	1.9513	0.0789	1.8086	2.091
	a12	0.6055	0.063	0.5117	0.6977
A2	a21	0.8624	0.0242	0.8224	0.8979
	a22	0.0784	0.0477	0.0008	0.1487
B1	b11	1.3356	0.0633	1.2528	1.4475
	b12	0.0315	0.0169	0.0024	0.0588
B2	b21	1.3999	0.0526	1.3060	1.4952
	b22	0.322	0.0139	0.3011	0.3497
C1	c11	2.9776	0.1254	2.8032	3.1940
	c12	3.272	0.1414	3.0207	3.4928
C2	c21	2.7451	0.0305	2.7010	2.7966
	c22	3.2714	0.1304	3.0143	3.4819
C3	c31	3.2929	0.0596	3.2019	3.3963
	c32	3.244	0.1523	3.0011	3.4932