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Table 7 Mean and difference of scores of questionnaire in Experiment 2

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

(a) (b)
2(Z) 2(D) A B
Mean S.D. Mean S.D. Z even D Z even D
Q1 3.33 0.82 3.17 1.33 Q1 1 1 1 1 1 1
Q2 3.17 1.33 3.17 1.17 Q2 0 2 1 1 1 1
Q3 4.33 1.21 4.33 0.82 Q3 1 2 0 0 2 1
Q4 3.00 0.89 3.17 1.17 Q4 0 1 2 1 1 1
Q5 4.33 1.21 4.50 0.84 Q5 1 2 0 0 1 2