Haptic Addition to a Visual Menu Selection Interface Controlled by an In-Vehicle Rotary Device

Table 3

Answer incidences for spontaneous remarks.

	Interface V	Interface pVH	Interface fVH	Interface H
Easy to use	6	5	3	0
Fairly easy	0	0	1	6
No label	4	5	6	4
Differentiation problems	2	2	2	9
No label	8	8	8	1
Turn errors	3	0	0	0
No label	7	10	10	10