| Nested Models | χ2 | df | CFI | RMSEA | Model Comparison | Difference in Fit | ||
| ΔCFI | ΔRMSEA | |||||||
| Model 1. Configural Inv. | 716.61 | 358 | 0.947 | 0.051 | – | – | – | |
| Model 2. Full Weak Inv. | 741.32 | 374 | 0.946 | 0.051 | Model 2 vs 1 | −0.001 | 0.000 | |
| Model 3. Full Strong Inv. | 768.47 | 390 | 0.944 | 0.051 | Model 3 vs 2 | −0.002 | 0.000 | |
| Model 4. Full Strict Inv. | 789.03 | 411 | 0.944 | 0.049 | Model 4 vs 3 | 0.000 | −0.002 | |