Table 3.
Fit indices from different models estimated.
| Model fit indices | ||||||
|---|---|---|---|---|---|---|
| (df) χ2 | p | CFI | RMSEA | BIC | AIC | |
| Model 1: single factor | (286) 1528.39 | 0.00 | 0.878 | 0.080 | 39,162 | 37,768 |
| Model 2: random intercept | (311) 1810.67 | 0.00 | 0.853 | 0.084 | 39,313 | 38,031 |
| Model 3: timepoint-specific factors | (285) 1318.64 | 0.00 | 0.899 | 0.073 | 38,967 | 37,568 |
| Model 4: timepoint-specific random intercepts | (309) 1617.36 | 0.00 | 0.872 | 0.079 | 39,136 | 37,845 |
| Model 5: construct-specific factors | (283) 1430.98 | 0.00 | 0.887 | 0.077 | 39,088 | 37,680 |
| Model 6: construct- and timepoint-specific factors | (271) 1204.92 | 0.00 | 0.908 | 0.071 | 38,947 | 37,484 |
| Model 7: random intercept and timepoint-specific factors | (284) 946.04 | 0.00 | 0.935 | 0.058 | 38,616 | 37,212 |
| Model 8: random intercept and construct-specific factors | No convergence | |||||
| Model 9: random intercept with construct- and timepoint-specific factors | No convergence | |||||
| Post-hoc model specifications | ||||||
| Model 7a: with loadings and residual correlations set to 0 if non-significant | (293) 955.11 | 0.00 | 0.935 | 0.057 | 38,566 | 37,203 |
| Model 7b: metric invariance on the timepoint-specific factors | (301) 959.55 | 0.00 | 0.935 | 0.057 | 38,522 | 37,195 |
| Model 7c: metric invariance on the timepoint-specific factors and residual invariance | (314) 990.01 | 0.00 | 0.934 | 0.056 | 38,485 | 37,217 |
Bolded represents the best fitting value of the 9 hypothesized models. a,b,crepresent post-hoc models based on the results of a previously hypothesized model and is not bolded for that reason.