Topic

Participation scale

Maximum node degree

Average node degree

The number of subgroups

The average path length

Degree centrality

Closeness Centrality

Betweenness centrality

Behavioral sciences

12,903

26

2.30

36

6.61

0.0035

0.1354

0.0714

Library science

1899

22

2.01

80

8.75

0.0220

0.1477

0.5027

Environmental studies

9805

32

2.27

54

6.97

0.0046

0.1472

0.0876

Sex

18,196

39

3.05

2

5.42

0.0034

0.1653

0.0552

Theoretical computer science

6914

102

2.59

33

6.21

0.0130

0.2048

0.2438

Information science

1251

18

1.93

76

7.62

0.0327

0.1607

0.5644

Social work

547

11

2.17

6

6.29

0.0715

0.1633

0.4408

Pedagogy

1432

5

1.94

56

9.49

0.0309

0.1084

0.4488

Journalism

6192

16

2.15

99

7.43

0.0072

0.1179

0.0830

Politics

6688

41

2.34

84

6.53

0.0065

0.1576

0.1227

Logic theory

1392

35

2.08

46

7.32

0.0302

0.1693

0.3796

Anthropology

18,886

64

2.97

2

5.48

0.0031

0.1685

0.0548

Communication studies

16,599

20

2.37

17

6.56

0.0028

0.1291

0.0341

Earth Science

10,902

71

2.24

38

7.21

0.0059

0.1747

0.2423

Statistics

7521

28

2.46

38

6.72

0.0058

0.1423

0.0641

Geography

8889

26

2.16

93

8.05

0.0050

0.0951

0.0689

Principles of management

21,881

29

2.55

7

5.98

0.0021

0.1435

0.0290

Sociology

18,411

53

2.98

5

5.47

0.0026

0.1594

0.0390

Law

18,056

55

2.92

3

5.55

0.0028

0.1641

0.0457

Math

12,452

61

2.67

10

5.83

0.0044

0.1752

0.0929

Astronomy

8681

59

2.53

13

5.89

0.0060

0.1628

0.0768

Finance

11,086

37

2.48

21

6.34

0.0040

0.1486

0.0717

Chemistry

12,374

30

2.51

21

6.15

0.0036

0.1439

0.0442

Biology

21,966

78

2.59

9

5.87

0.0033

0.1848

0.1260

Physics

17,275

43

2.62

8

5.90

0.0026

0.1566

0.0509

Economics

17,109

81

2.72

8

5.65

0.0044

0.1873

0.1186

Psychology

20,706

67

3.01

4

5.48

0.0030

0.1688

0.0527