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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