Module 4: Cutting

Proficiency = 120.2763 − 0.0461 Cutter angular path − 0.4382 Total time − 0.0685 Maximum stretch damage − 0.1884 Rip failure

Variable Measured and Criterion Percentile Values
Variable	10	25	50	75	90
Cutter path length	0.685	0.594	0.487	0.417	0.324
Cutter angular path	162.363	146.659	122.407	96.565	78.135
Total time	95.647	71.46	48.401	44.088	43.322
Maximum stretch damage	97.481	64.448	37.526	24.817	2.407
Tissue damage	2	1	1	0	0
Maximum damage	4.688	3.73	1.534	0	0
Rip failure	0	0	0	0	0
Drop failure	0	0	0	0	0
Proficiency score	68.967	83.389	89.569	93.428	94.8
Means ± Standard Deviations for Each Variable
Variable	−1.5	−1	0	+1	+1.5
Cutter path length	0.268	0.35	0.515	0.679	0.761
Cutter angle path	59.773	81.837	125.965	170.092	192.156
Total time	25.18	36.957	60.511	84.065	95.842
Maximum stretch damage	−4.899	11.828	45.282	78.735	95.462
Tissue damage	−0.922	−0.312	0.909	2.13	2.741
Maximum damage	−4.058	−1.746	2.876	7.499	9.81
Rip failure	0.00	0.00	0.00	0.00	0.00
Drop failure	0.00	0.00	0.00	0.00	0.00
Proficiency score	70.489	75.78	86.36	96.94	102.23