| Independent Variables | Covariate | |
| Inoculation Condition | Issue Involvement | Pre-attitude |
| F (R2) | F (R2) | F (R2) |
Main Effect | .29 (.004) | 2.37* (.03) | .82 (.01) |
Resistance | .001 (.000) | 4.78** (.06) | .65 (.005) |
Willingness to Speak | .43 (.003) | 1.69 (.02) | .17 (.001) |