| Model | 1st Model (6 extra negative items) | Model 2 (4 extra negative items) | ||
| χ2 | Significance | χ2 | Significance | |
| Model 2 (4 extra negative items) | 0.029 | 0.8645 |
| |
| Model 3 (2 extra negative items) | 8.715 | 0.0032 | 7.786 | 0.0053 |