TABLE 4.
Results from questionnaire answered by four users U1-U4.
| Question | U1 | U2 | U3 | U4 |
|---|---|---|---|---|
| Q1: It didn’t take me long to install the system | 2 | 5 | 3 | 2 |
| Q2: I think people with limited technical know-how could follow the installation guide | 2 | 5 | 2 | 4 |
| Q3: The visual structure of the interface is coherent and supportive with respect to operating Pepper | 4 | 5 | 4 | 4 |
| Q4: It didn’t need a lot of practice to use the tool | 4 | 5 | 5 | 4 |
| Q5: I prefer using WoZ4U over alternative systems to control Pepper | 4 | 5 | 3 | 3 |
| Q6: I quickly understood how to edit the configuration file to change the elements in the interface | 4 | 5 | 3 | 5 |
| Q7: The buttons and other controls produced predictable results on the robot | 3 | 5 | 4 | 4 |
| Q8: Rate the overall usability (“ease of use”) of the WoZ4U system | 7 | 9 | 6 | 8 |