SEM model: initial and final coefficient of concordance
| Fit index | Initial model values | Post-modification model values | Acceptable model fit levels | Source |
|---|---|---|---|---|
| χ2 | 2122.265 | 1172.912 | Low χ2 value and p < 0.01; p > 0.05 | Hooper et al. (2008) |
| χ2/df | 2.880 | 2.264 | χ2/df < 3 χ2/df < 2 | Kline, 2015, Wheaton et al. (1977) Tabachnick and Fidell (2007) |
| SRMR | 0.085 | 0.050 | SRMR ≤ 0.05 SRMR ≤ 0.08 | Byrne (2013), Diamantopoulos and Siguaw (2000), Hu and Bentler, 1999 |
| RMSEA | 0.71 | 0.058 | RMSEA < 0.05 RMSEA ≤ 0.07 | Hu and Bentler (1999), Steiger, 2007 |
| IFI | 0.835 | 0.955 | 0.95 ≤ IFI ≤ 0.95 | Miles and Shevlin (2007), |
| CFI | 0.834 | 0.974 | 0.97 ≤ CFI ≤ 1 | Hu and Bentler (1999), |
| GFI | 0.772 | 0.960 | 0.95 ≤ GFI ≤ 1 | Tabachnick and Fidell (2007), Miles and Shevlin (2007) |
| AGFI | 0.747 | 0.857 | 0.85 ≤ AGFI ≤ 1 | Tabachnick and Fidell (2007) |
| TLI | 0.824 | 0.967 | 0.95 ≤ TLI ≤ 1 | Hu and Bentler, 1999; Sharma et al., 2005 |
| Fit index | Initial model values | Post-modification model values | Acceptable model fit levels | Source |
|---|---|---|---|---|
| 2122.265 | 1172.912 | Low | ||
| 2.880 | 2.264 | |||
| SRMR | 0.085 | 0.050 | SRMR ≤ 0.05 SRMR ≤ 0.08 | |
| RMSEA | 0.71 | 0.058 | RMSEA < 0.05 RMSEA ≤ 0.07 | |
| IFI | 0.835 | 0.955 | 0.95 ≤ IFI ≤ 0.95 | |
| CFI | 0.834 | 0.974 | 0.97 ≤ CFI ≤ 1 | |
| GFI | 0.772 | 0.960 | 0.95 ≤ GFI ≤ 1 | |
| AGFI | 0.747 | 0.857 | 0.85 ≤ AGFI ≤ 1 | |
| TLI | 0.824 | 0.967 | 0.95 ≤ TLI ≤ 1 |
Notes:
χ2: minimum value of the discrepancy function; χ2/df: minimum value of the discrepancy function divided by degrees of freedom; SRMR: standardized root mean square residual; RMSEA: root mean square error of approximation; IFI: incremental fit index; CFI: comparative fit index; GFI: goodness-of-fit index; AGFI: adjusted goodness-of-fit index; TLI: Tucker–Lewis index
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