Table IV.
Model Fit Statistics for Base and Correlated GEMS and GRC/S Scale Models in CFAs (n=290)
| χ2 | df | p | χ2Δa | RMSEA | RMSEA 90% CI | CFI | TLI | SRMR | |
|---|---|---|---|---|---|---|---|---|---|
| Value indicating good model fit: | >0.05 | <0.05 | >0.95 | >0.95 | <0.08 | ||||
| GEMS base model (17 items) | 226.04 | 119 | 0.0000 | -- | 0.056 | [0.044,0.067] | 0.81 | 0.79 | 0.065 |
| GEMS final correlated model (17 items) | 154.94 | 110 | 0.0032 | −71.1* | 0.038 | [0.022,0.051] | 0.92 | 0.90 | 0.053 |
| GRC/S scale base model (4 factors, 24 items) | 492.55 | 246 | 0.0000 | -- | 0.059 | [0.051,0.066] | 0.76 | 0.73 | 0.081 |
| GRC/S scale final correlated model (4 factors, 24 items) | 330.21 | 234 | 0.0000 | −162.3* | 0.038 | [0.028,0.047] | 0.91 | 0.89 | 0.070 |
| GRC/S scale correlated model with higher-order factor | 337.66 | 236 | 0.0000 | +7.5 | 0.039 | [0.029,0.047] | 0.90 | 0.88 | 0.070 |
CFI=Comparative Fit Index; CI=Confidence interval; RMSEA=Root Mean Square Error of Approximation; TLI=Tucker–Lewis Index; SRMR= Standardized Root Mean Squared Residual.
χ2Δ is the chi-square difference statistic for comparing the current model to the previous model in the table.
p < .01