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The fit indices of the first-order SEM.
| Index | Estimation | Standard | Result |
|---|---|---|---|
| χ 2/df | 2.209 | (1, 3) | Accept |
| RMSEA | 0.074 | <0.08 | Accept |
| RMR | 0.044 | <0.5 | Accept |
| CFI | 0.923 | >0.9 | Accept |
| TLI | 0.912 | >0.9 | Accept |
| IFI | 0.924 | >0.9 | Accept |
| PGFI | 0.663 | >0.5 | Accept |
| PNFI | 0.759 | >0.5 | Accept |
