Questionnaire survey

Bilingual group

PBL bilingual group

X2

P

Improve learning interest

23

35

4.46

0.04

Improve self-learning ability

17

29

4.26

0.04

Improve oral English

18

36

12.34

0.01

Ability to the promotion of analytical problems and

ability to solve problems,

27

33

0.33

0.56

Enhance teamwork

20

32

4.23

0.04