Table 2 Results of regression analysis

Constant

(6.299) ^***

(2.521) ^**

(6.162) ^***

(4.268)^***

(3.845) ^***

(4.376) ^***

(4.821) ^***

Time

.217^*

(.859)

.272^*

(.977)

.261^*

(1.105)

.192

(.633)

.337

(1.021)

.365

(3.259)

.271

(2.797)

Evalu.

.234

(1.014)

.243^*

(1.232)

.252

(1.012)

.208

(0.976)

.152

(0.838)

.267

(1.254)

.199

(1.843)

Pre- centrality

.479^***

(4.516)

.301^**

(2.724)

.281^*

(2.534)

.265^***

(3.609)

.286^***

(3.779)

Frequency

.753^***

(13.555)

.709^***

(12.955)

Originality

.732^***

(12.722)

.688^***

(12.225)

R² adj.

.116

.642

.530

.038

.031

.597

.571

F value

10.299^***

86.021^***

81.116^***

3.795^*

3.309^*

70.994^***

63.967^***