Table 1 Model fit indices summary
Indices | One-factor model | Four-factor model | Acceptable values |
|---|---|---|---|
χ 2 | 583.34 | 325.88 | |
p value | < 0.01 | < 0.01 | > 0.05 [10] |
χ2/df (normed chi-square, NC) | 3.84 | 2.33 | < 3.00 [11] |
Root mean square error of approximation (RMSEA) | 0.12 | 0.08 | < 0.08 [12] |
Goodness of fit index (GFI) | 0.77 | 0.86 | ≥ 0.90 [13] |
Adjusted goodness of fit index (AGFI) | 0.72 | 0.81 | ≥ 0.80 [14] |
Normed fit index (NFI) | 0.81 | 0.90 | ≥ 0.90 [13] |
Incremental fit index (IFI) | 0.86 | 0.94 | ≥ 0.90 [15] |
Non-normed fit index (NNFI) | 0.84 | 0.92 | ≥ 0.90 [16] |
Comparative fit index (CFI) | 0.85 | 0.94 | ≥ 0.90 [17] |