Table 4 Model fit indices
Models for Q matrices | Absolute model fit | Relative model fit | Item discrimination | |||
|---|---|---|---|---|---|---|
Max (χ 2) | SRMSR | AIC | BIC | CAIC | Mean IDI | |
Q-I | 84.348* | .054 | 24,112.19 | 24,483.58 | 24,560.58 | .403 |
Q-ERC | 100.660* | .054 | 24,135.98 | 24,507.37 | 24,584.37 | .406 |
Q-TTAC | 95.126* | .053 | 24,060.62 | 24,432.01 | 24,509.01 | .416 |
Q-TTAS | 81.762* | .053 | 24,121.11 | 24,492.50 | 24,569.50 | .412 |
Q-MATCH4 | 86.257* | .055 | 24,125.97 | 24,497.36 | 24,574.36 | .413 |
Q-MATCH3 | 84.334* | .053 | 24,100.02 | 24,471.42 | 24,548.42 | .417 |
Q-MATCH2 | 93.328* | .053 | 24,096.61 | 24,468.00 | 24,545.00 | .398 |
Q-MATCH1 | 94.414* | .054 | 24,114.37 | 24,485.76 | 24,562.76 | .397 |