Writing with the Eyes: The Effect of Age on Eye-Tracking Performance in Non-Disabled Adults and a Comparison with Bimanual Typing

Table 3

Exponential fitting features for ETCD typing speed and error rate in the three age groups.

	Age group	Time constant ( of sessions)	Adjusted R^2
Typing speed	Young	4.67	0.96
	Middle-aged	4.54	0.99
	Elderly	4.98	0.99
Error rate	Young	2.35	0.86
	Middle-aged	2.02	0.96
	Elderly	5.84	0.96