Model | Chi-squared (χ2) | Ratio of χ2 to df | Akaike information criterion (AIC) | Bayes information criterion (BIC) | Tucker–Lewis index (TLI) | Comparative fit index (CFI) | Root mean square error of approximation (RMSEA) (95%CI) | Standardised root mean square residual (SRMR) | Weighted root mean residual (WRMR) |
---|---|---|---|---|---|---|---|---|---|
Ideal Benchmark^{a} | Non-significant p-value | <3; useful for nested models | Smaller the better; for model comparison (non-nested) | Smaller the better; for model comparison (non-nested) | ≥ 0.95 ideal | ≥ 0.95 ideal | <0.06 ideal; | ≤ 0.08 | < 0.90 |
<0.90 reject | <0.90 reject | <0.08 acceptable; and with narrow 95 % confidence intervals | |||||||
3 Factor Model 1^{b} | 116.563 p-value <0.00 | 2.8 | 3879 | 4018 | 0.93 | 0.95 | 0.07 | 0.039 | 0.93 |
(0.057–0.088) | |||||||||
3 Factor Model 3^{c} | 223.258 p-value <0.00 | 3.0 | 4732 | 4906 | 0.89 | 0.91 | 0.08 | 0.048 | 1.14 |
(0.067–0.090) | |||||||||
3 Factor Model 4^{d} | 121.571 p-value <0.00 | 3.0 | 3884 | 4023 | 0.92 | 0.94 | 0.08 (0.060–0.091) | 0.041 | 1.07 |
3 Factor Model^{e} | 211.42 p-value <0.00 | 2.85 | 4711 | 4884 | 0.90 | 0.92 | 0.07 | 0.045 | 1.06 |
(0.062–0.085) | |||||||||
1 Factor Model^{f} | 170.483 p-value <0.00 | 3.9 | 3955 | 4082 | 0.87 | 0.91 | 0.09 (0.077–0.105) | 0.050 | 1.24 |
2 Factor Model^{g} | 139.489 p-value <0.00 | 3.2 | 3910 | 4041 | 0.91 | 0.93 | 0.08 | 0.043 | 1.11 |
(0.066–0.095) | |||||||||
1 Factor OC Model^{h} | 46.586 p-value <0.00 | 5.1 | 2103 | 2172 | 0.92 | 0.95 | 0.109 | 0.037 | 0.882 |
(0.080–0.141) |