Table 3. Constructs of PEU.
| S.No. | Constructs | Questions |
|---|---|---|
| 1 | (PEU1) | My interaction with SmallTalk in AI process has been clear and understandable |
| 2 | (PEU2) | Using SmallTalk enable me to have more accurate information on speaking |
| 3 | (PEU3) | Learning the speaking skills to operate with SmallTalk was easy for me |
| 4 | (PEU4) | The use of SmallTalk for speaking activities does not confuse me |
| 5 | (PEU5) | SmallTalk is easy to navigate |
| 6 | (PEU6) | Overall, SmallTalk is easy to use |