Module 3: Ring Manipulation (Non-dominant Hand)

Proficiency = 100.4142 − 0.1381 Time − 11.282 Errors

Variables Measured and Criterion Percentile Values
Variable	10	25	50	75	90
Time	26	23	12	10.5	8
Errors	3	3	1	1	1
Proficiency score	62.978	63.6	86.233	87.648	88
Means ± Standard Deviations for Each Variable
Variable	−1.5	−1	0	+1	+1.5
Time	3.989	8.023	16.091	24.159	28.193
Errors	0.057	0.594	1.667	2.74	3.276
Proficiency score	57.515	64.408	78.194	91.98	98.873