Table 3. Study 2 Model comparison after Confirmatory Factor Analysis between bifactor models.
Comparative fitness index, tucker-lewis index, standardized root mean square residual, and root mean square error of approximation for the 18-item, 19-item and 23-item bifactor models are reported.
| Model | CFI | TLI | SRMR | RMSEA |
|---|---|---|---|---|
| 23-item | 0.987 | 0.984 | 0.057 | 0.049 |
| 19-item | 0.991 | 0.989 | 0.053 | 0.047 |
| 18-item | 0.991 | 0.989 | 0.053 | 0.049 |