Table 4.
Fit statistics for the knowledge section of the ADKQ CFA and measurement invariance models
| Factors | χ2 | DF | CFI | TLI | RMSEA | WRMR |
|---|---|---|---|---|---|---|
| CFA models | ||||||
| Subsample 1 (posttest) | ||||||
| 1 | 261.99** | 51 | 0.97 | 1.00 | 0.04 | 1.40 |
| 2 | 266.17** | 51 | 0.97 | 1.00 | 0.04 | 1.40 |
| 3a | 256.35** | 49 | 0.97 | 1.00 | 0.04 | 1.38 |
| Subsample 2 (posttest) | ||||||
| 1 | 261.85** | 53 | 0.98 | 1.00 | 0.04 | 1.36 |
| Subsample 3 (pretest) | ||||||
| 1 | 511.68** | 57 | 0.84 | 0.95 | 0.05 | 2.12 |
| 2a | 509.04** | 56 | 0.84 | 0.94 | 0.05 | 2.12 |
| 3 | 496.53** | 54 | 0.85 | 0.94 | 0.05 | 2.10 |
| Invariance models | ||||||
| Gender | 351.71 | 41 | 0.99 | 0.99 | 0.03 | 1.48 |
| Facilitator | 385.86 | 41 | 0.99 | 0.99 | 0.04 | 1.54 |
| Pre- to post-test | 1,890.07 | 310 | 0.96 | 0.96 | 0.04 | 2.55 |
CFI Comparative fit index, TLI Tucker-Lewis Index, RMSEA root mean square error of approximation, WRMR Weighted Root Mean Square Residual (only calculated for CFA models) DF degrees of freedom
**
p ≤ 0.01
a
Non-positive definite matrix