Dimension

Dongxiang

M ± SD

Tibetan

M ± SD

t

Extroversion

15.79 ± 4.11

14.79 ± 3.95

1.98*

Agreeableness

16.92 ± 4.17

16.05 ± 3.51

1.81

Conscientiousness

15.68 ± 3.66

14.71 ± 3.24

2.25*

Neuroticism

12.66 ± 3.72

12.90 ± 3.29

−0.55

Openness

15.02 ± 3.80

14.48 ± 3.57

1.18