B

SE (B)

β

B

SE (B)

β

Step 1:

Group size

−.12

.16

−.12

−.09

.20

−.09

Gender distribution

.18

.16

.18

.10

.14

.10

Participants’ age

−.42

.16

−.42*

−.26

.14

−.25+

R2

.19

F

3.07*

Step 2:

Outdegree centrality

.43

.20

.42*

Weighted beetweeness

.06

.25

.06

Weighted assortativity

−.15

.15

−.15

ΔR2

.26

ΔF

5.74**

R2

.45

Adj. R2

.36

F

4.97**