Table 2.
Task list for evaluation experiment.
| Task ID | Task contents | Difficulty level |
|---|---|---|
|
| ||
| 1 | Lamp⇒Change Brightness one time | Low |
| 2 | Lamp⇒Change Brightness two times | Middle |
| 3 | Lamp⇒Change Brightness three times | High |
| 4 | TV⇒Power ON/OFF | Low |
| 5 | TV⇒Change Channel one time | Low |
| 6 | TV⇒Change Channel two times | Middle |
| 7 | TV⇒Change Channel three times | High |
| 8 | TV⇒Change Volume one time | Low |
| 9 | TV⇒Change Volume two times | Middle |
| 10 | TV⇒Change Volume three times | High |
| 11 | TV⇒Change Volume four times | High |
| 12 | Radio⇒Power ON/OFF | Low |
| 13 | Radio⇒Change Channel one time | Low |
| 14 | Radio⇒Change Channel two times | Middle |
| 15 | Radio⇒Change Channel three times | High |
| 16 | Radio⇒Change Volume one time | Low |
| 17 | Radio⇒Change Volume two times | Middle |
| 18 | Radio⇒Change Volume three times | High |
| 19 | Radio⇒Change Volume four times | High |