| Source | Between-subject effects | ||||||
| Dependent Variables | SS | DF1 | DF2 | MS | F | ITA Square | |
| Group | Positive beliefs about worry | 2225.839 | 2 | 171 | 1112.920 | 135.337** | 0.613 |
| Uncontrollability and danger | 2825.184 | 2 | 171 | 1412.592 | 188.153** | 0.688 | |
| Cognitive confidence | 1212.310 | 2 | 171 | 606.155 | 52.525** | 0.381 | |
| Need to control thoughts | 1173.149 | 2 | 171 | 586.575 | 75.617** | 0.469 | |
| Cognitive self-consciousness | 728.701 | 2 | 171 | 364.351 | 39.439** | 0.316 | |