Module 2: Instrument Handling

Proficiency = 127.6061 −0.7341 Total time −0.09 Left instrument path −0.0171 Left instrument smoothness −0.0149 Right instrument smoothness

Variables Measured and Criterion Percentile Values
Variable	10	25	50	75	90
Total time	39.457	36.848	32.855	29.105	25.323
Left instrument path	121.697	117.532	113.115	102.043	93.457
Right instrument path	120.204	114.25	109.845	99.373	95.195
Left instrument smoothness	110.7	105.75	94.5	82.5	71.8
Right instrument smoothness	120.2	117	112	97	81.4
Proficiency score	84.392	86.033	90.194	93.06	98.247
Means ± Standard Deviations for Each Variable
Variable	−1.5	−1	0	+1	+1.5
Total time	24.296	27.04	32.526	38.012	40.756
Left instrument path	88.268	95.651	110.417	125.183	132.566
Right instrument path	92.082	97.361	107.921	118.481	123.76
Left instrument smoothness	66.525	75.383	93.1	110.817	119.675
Right instrument smoothness	79.733	88.155	105	121.845	130.267
Proficiency score	82.336	85.075	90.554	96.032	98.771