Table I.

Average task completion times and standard deviations.

		Subject 1	Subject 2	Subject 3	Subject 4
Baseline	Early	$1.92\mathrm{s}\pm 0.45$	$1.77\mathrm{s}\pm 0.45$	$3.05\mathrm{s}\pm 0.42$	$1.88\mathrm{s}\pm 0.47$
	Late	$1.58\mathrm{s}\pm 0.08$	$1.30\mathrm{s}\pm 0.29$	$2.13\mathrm{s}\pm 0.36$	$1.43\mathrm{s}\pm 0.08$
Assistive	Early	$2.09\mathrm{s}\pm 0.45$	$1.56\mathrm{s}\pm 0.53$	$2.18\mathrm{s}\pm 0.45$	$1.61\mathrm{s}\pm 0.46$
	Late	$1.68\mathrm{s}\pm 0.20$	$1.35\mathrm{s}\pm 0.20$	$1.98\mathrm{s}\pm 0.36$	$1.55\mathrm{s}\pm 0.33$
Resistive	Early	$2.35\mathrm{s}\pm 0.12$	$1.32\mathrm{s}\pm 0.27$	$3.09\mathrm{s}\pm 0.80$	$1.71\mathrm{s}\pm 0.50$
	Late	$2.50\mathrm{s}\pm 0.23$	$1.33\mathrm{s}\pm 0.22$	$2.82\mathrm{s}\pm 0.51$	$1.29\mathrm{s}\pm 0.14$