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Table 5 Mean and difference of scores of questionnaire in Experiment Result of Experiment 1

From: A vision system with wide field of view and collision alarms for teleoperation of mobile robots

(a) (b)
1(W) 1(Z) A B
Mean S.D. Mean S.D. W even Z W even Z
Q1 3.67 1.03 4.17 0.75 Q1 0 1 2 1 1 1
Q2 3.00 0.63 3.17 0.98 Q2 1 0 2 1 2 0
Q3 4.33 0.82 4.17 1.17 Q3 1 1 1 1 2 0
Q4 4.17 1.17 3.50 0.55 Q4 2 0 1 2 1 0
Q5 3.67 1.37 5.00 0.00 Q5 0 1 2 0 1 2