Table 3 The 20 high frequently occurred keywords based on centrality indicators

1

Humanism

137

13.407

97.753

97.802

2

Clinical reasoning

139

13.213

95.506

95.699

3

Clinical education

129

11.208

92.697

93.194

4

Cooperative behavior

102

7.980

83.708

85.990

5

Medical student education

105

7.716

82.865

85.372

6

Tutorial strategies

72

4.411

69.101

76.395

7

Medical education

59

3.287

61.236

72.065

8

Clinical clerkship

62

3.125

60.674

71.774

9

Learning and teaching

50

2.174

52.247

67.681

10

Clinical competence

49

2.145

54.213

68.593

11

Adult education

36

1.852

49.719

66.542

12

Curriculum development

38

1.788

49.157

66.294

13

Psychiatry education

38

1.701

46.067

64.964

14

Communication skill

32

1.661

47.753

65.683

15

Professionalism

21

0.904

38.764

62.021

16

Attitude to health

23

0.808

37.360

61.485

17

Procedures

24

0.559

32.303

59.631

18

Nursing education

22

0.509

28.933

58.456

19

Education measurement

20

0.448

31.461

59.333

20

Human experiment

20

0.254

26.404

57.605