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