B

SE (B)

β

B

SE (B)

β

Step 1:

Group SIze

−.48

.14

−.60**

−.19

.20

−.24

Gender distribution

−.11

.14

−.13

−.12

.14

−.15

Participants’ age

.08

.14

.10

.12

.14

.16

R2

.37

F

4.99**

Step 2:

Outdegree centrality

.26

.19

.31

Weighted beetweeness

−.38

.24

−.56

Weighted assortativity

−.33

.11

−.55**

ΔR2

.19

ΔF

3.29*

R2

.56

Adj. R2

.44

F

4.80**