Table 1. Mean integrated measures of validity test.

Integrated measure of time and error during completion of the star-track test of manual dexterity during each of the four test arms.

Test arm	N	Integrated measure	SD
Baseline	20	−0.39	0.51
Intervention 1	20	0.08	0.61
Intervention 2	20	0.10	0.39
Intervention 3	20	0.20	0.55