| EFA | Exploratory factor analysis |
| CFA | Confirmatory factor analysis |
| ICC | Intraclass correlation coefficient |
| RMSEA | Root mean square error of approximation |
| GFI | Goodness-of-fit index |
| AGFI | Adjusted goodness-of-fit index |
| TLI | Tucker–Lewis index |
| CFI | Comparative fit index |
| IFI | Incremental fit index |
| PGFI | parsimonious goodness-of-fit index |
| PNFI | parsimonious normed-of-fit index |
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