TABLE 5.
Invariance of the process appraisal scale across the four organizations (Model 2b).
| Model | χ2 | df | CFI | RMSEA | LB 90 | UB 90 | 
| Unconst. model | 219.316 | 137 | 0.965 | 0.035 | 0.026 | 0.043 | 
| Const. Model 1 (factor loadings) | 232.469 | 147 | 0.964 | 0.034 | 0.026 | 0.042 | 
| Const. Model 2 (+factor variances and covariances) | 333.715 | 177 | 0.934 | 0.042 | 0.041 | 0.054 | 
| Const. 1 vs. Unconst. (factor loadings) | Δχ2 = 13.153a | Δdf = 10 | ΔCFI = −0.001 | ΔRMSEA = −0.001 | – | – | 
| Const. 2 vs. Const. 1 (+factor variances and covariances) | Δχ2 = 101.246b | Δdf = 30 | ΔCFI = −0.030 | ΔRMSEA = 0.008 | – | – | 
N = 499. χ2, chi-square statistic; df, degrees of freedom; CFI, comparative fit index; RMSEA, root-mean square error of approximation. ap = 0.215, bp < 0.001.