Robustness tests—endogeneity and prior COVID-19 beliefs
| Variable | (1) | (2) |
| Left-wing mean bias | −0.0009* (0.0004) | −0.0008* (0.0004) |
| Right-wing mean bias | 0.0003 (0.0003) | 0.0002 (0.0003) |
| Lax COVID-19 restrictions | – | −0.0057 (0.0042) |
| Hydroxychloroquine is effective | – | 0.0064 (0.0047) |
| COVID-19 developed in lab | – | 0.0019 (0.0041) |
| N | 8182 | 8182 |
| Pseudo R2 | 0.2976 | 0.2996 |
| Wald Χ2 | 659.64† | 675.79† |
The coefficients reported are average marginal effects. Robust SEs are shown in parentheses. All of the covariates listed in table 1 have been included in the regression.
*Denotes statistical significance at the 5% level.
†Denotes statistical significance at the 1% level.
‡Denotes statistical significance at the 10% level.