TABLE 3.
Model fit indices for the competing models tested.
Model | χ2 (df) | p | CFI | TLI | SRMRu (90%CI) | RMSEA (90%CI) |
Two-factor model | 929.640 (134) | < 0.001 | 0.865 | 0.846 | 0.063 (0.058–0.068) | 0.074 (0.070–0.079) |
Four-factor model (Li) | 712.841 (129) | < 0.001 | 0.901 | 0.883 | 0.051 (0.046–0.055) | 0.065 (0.060–0.069) |
Four-factor model (Tian) | 663.419 (129) | < 0.001 | 0.910 | 0.893 | 0.050 (0.045–0.054) | 0.062 (0.057–0.066) |
Four-factor model (Tian)* | 617.084 (128) | < 0.001 | 0.917 | 0.901 | 0.048 (0.043–0.052) | 0.059 (0.055–0.064) |
*Items 2 and 4 correlated; df, degree of freedom; CFI, comparative fit index; TLI, Tucker–Lewis Index; SRMRu, standardized root mean squared residual (unbiased estimator); RMSEA, root mean square error of approximation; 90% CI, 90% confidence interval.