Subscales | Items | Cronbach’s alpha |
Emotionality | 1, 5, 9, 13, 17 | .603 |
| 1, 5, 9, 13 | .672 |
| 1, 5, 9 | .722 |
Activity | 2, 6, 10, 14, 18 | .543 |
| 6, 10, 14, 18 | .644 |
| 6, 10, 18 | .722 |
Sociability | 3, 7, 11, 15, 19 | .651 |
| 3, 7, 11, 19 | .666 |
| 3, 7, 19 | .706 |
Impulsivity | 4, 8, 12, 16, 20 | .707 |