Table 5 Granger causality test results (significance level α = 0.05).
Causality hypothesis | F statistic | P-value | Conclusion |
|---|---|---|---|
Network density → dissemination efficiency | 4.72 | 0.013 | A causal relationship exists |
Social influence → dissemination efficiency | 3.18 | 0.058 | There is no obvious causal relationship |
Dynamic weight → dissemination efficiency | 5.31 | 0.008 | A causal relationship exists |
