Table 2.

Evaluation sheet for AMiCUS including results.

Topic	No.	Statement	Rating
Calibration	1	Understanding what one is supposed to do during Cursor Calibration is easy	$4.83\pm 0.38$
	2	Understanding what one is supposed to do during Robot Calibration is easy	$4.81\pm 0.40$
	3	The acoustic feedback during calibration is useful	$4.88\pm 0.33$
GUI	4	The Cursor GUI is visually appealing and clearly structured	$4.39\pm 0.61$
	5	In Cursor Mode, all important functions can be accessed easily	$4.61\pm 0.61$
	6	The Robot GUI is visually appealing and clearly structured	$4.33\pm 0.69$
	7	In Robot Mode, all important information is displayed on the GUI	$4.41\pm 0.71$
	8	The feedback about the current head position is easy to understand and useful	$4.78\pm 0.43$
	9	The camera image is useful	$4.33\pm 1.14$
Switching	10	Activating the Slide Button is easy	$4.56\pm 0.62$
	11	The acoustic and visual feedback for the Slide Button is useful	$4.44\pm 0.92$
	12	Performing the Head Gesture correctly is easy	$3.33\pm 1.46$
	13	The feedback about Head Gesture execution is useful	$3.89\pm 1.37$
	14	Switching between groups is easy	$4.06\pm 0.94$
	15	Switching between groups is quick	$3.33\pm 0.91$
Mapping	16	I can well imagine what the gripper does when I move my head up or down	$4.61\pm 0.78$
	17	I can well imagine what the robot does in Vertical Plane group when I move my head up or down	$4.72\pm 0.75$
	18	I can well imagine what the robot does in Vertical Plane or Horizontal Plane group when I turn my head to the left or to the right	$4.56\pm 0.86$
	19	I can well imagine what the robot does in Horizontal Plane group when I move my head up or down	$4.28\pm 1.02$
	20	I can well imagine what the robot does in Orientation group when I move my head up or down	$3.44\pm 1.25$
	21	I can well imagine what the robot does in Orientation group when I turn my head to the left or to the right	$3.44\pm 1.15$
	22	I can well imagine what the robot does in Orientation group when I bend my head to the left or to the right	$3.33\pm 1.24$
Transfer function	23	Moving the mouse cursor precisely is easy	$4.44\pm 0.62$
	24	Gripping precisely is easy	$4.17\pm 1.15$
	25	Moving the robot arm precisely is easy	$4.44\pm 0.70$
General	26	Assessing robot position correctly in Vertical Plane group is easy	$4.56\pm 0.70$
	27	Assessing robot position correctly in Horizontal Plane group is easy	$4.28\pm 0.75$
	28	Assessing robot orientation correctly is easy	$2.89\pm 1.18$
	29	I can easily keep an eye an all relevant parts of the system	$3.94\pm 1.26$
	30	Robot control is fun	$4.72\pm 0.46$

Rating: 1 = “I strongly disagree”, 2 = “I disagree”, 3 = “I partly agree”, 4 = “I agree”, 5 = “I strongly agree”.