Table 4: Means, standard deviations, and Kruskal-Wallis test results of improvement rate of movement time and throughput.

Improvement rate of movement time (%)Improvement rate of throughput (%)
LevelMeanStDev valueLevelMeanStDev value

FactorAmplitude2.7051.1190.040.979Amplitude2.8721.4150.040.982
Angle2.6892.067Angle2.9772.412
Magnification2.7610.387Magnification2.8740.557