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 |