question type

Bilingual group

PBL bilingual group

T

P

Basic knowledge

53.24 ± 2.22

54.52 ± 2.97

−2.15

0.03

Case analysis

17.36 ± 1.14

27.45 ± 1.13

−38.94

0.0

Treatment progress

4.22 ± 0.95

8.0 ± 0.83

−18.72

0.0