TABLE 2.
Results of the invariance tests across T1 and T2 and across language (N = 699).
| df | χ2 | CFI | SRMR | RMSEA | Model comparison |
||||
| Δχ2 | Δdf | Significant difference | |||||||
| Invariance over time | |||||||||
| (1a) Freely estimated model (configural invariance) | 15 | 177.74* | 0.95 | 0.05 | 0.125 | ||||
| (2a) Factor loadings invariant (weak invariance) | 17 | 182.84* | 0.95 | 0.05 | 0.11 | 1a vs. 2a | 5.10a | 2 | ns |
| (3a) Indicator intercept invariant (strong invariance) | 21 | 191.09* | 0.94 | 0.06 | 0.10 | 2a vs. 3a | 8.24 | 4 | ns |
| Invariance across language | |||||||||
| (1b) Freely estimated model (configural invariance) | 30 | 210.91 | 0.94 | 0.06 | 0.12 | ||||
| (2b) Factor loadings invariant (weak invariance) | 34 | 215.32 | 0.94 | 0.06 | 0.12 | 1b vs. 2b | 4.41 | 4 | ns |
| (3b) Indicator intercept invariant (strong invariance) | 38 | 220.64 | 0.94 | 0.06 | 0.11 | 2b vs. 3b | 5.32 | 4 | ns |
*p < 0.05.