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. 2007 Jul-Sep;11(3):273–302.

Module 1: Camera Navigation, 0°

Proficiency = 112.4693 Intercept - 3.9135 Path length - 0.3464 Total time - 0.0982 Drift

Variables Measured and Criterion Percentile Values
Variable 10 25 50 75 90
Path length 2.155 1.768 1.502 1.373 1.268
Angular path 915.586 596.561 472.468 370.479 279.943
Total time 70.359 58.448 38.893 31.447 28.312
Drift 7.417 6.516 5.372 3.829 3.302
Tissue damage 0 0 0 0 0
Maximum damage 0 0 0 0 0
Proficiency score 78.546 84.654 93.052 95.782 96.787

Means ± Standard Deviations for Each Variable

Variable −1.5 −1 0 +1 +1.5

Path length 1.061 1.246 1.618 1.989 2.175
Angular path 137.723 270.31 535.483 800.656 933.242
Total time 20.839 29.405 46.537 63.668 72.234
Drift 2.467 3.386 5.224 7.062 7.981
Tissue damage 0 0 0 0 0
Maximum damage 0 0 0 0 0
Proficiency score 78.082 81.792 89.213 96.634 100.344