Table 1.

Descriptive data for NPC

Speed	N	Mean	SD	Min	Max
Note. cm/s = centimeters / second, SD = Standard Deviation, Min = Minimum, Max = Maximum
1 cm/s	20	6.72	2.39	2.67	13.67
3 cm/s	20	6.10	2.36	2.83	11.67
5 cm/s	20	5.44	2.01	2.67	11.00
Self-paced	20	6.63	2.26	2.67	11.33
1 cm/s "blurry"	20	10.82	3.08	6.67	20.33