Table 4 Facet characteristics determined by MFRM analysis
Parameter | Student Ability | Rater Severity | Station Difficulty |
|---|---|---|---|
Facet Explained Variance | 29.98% | 20.25% | 8.56% |
Mean Outfit MnSq | 0.99 | 0.99 | 0.98 |
Model Sample RMSE (Standard Error) | 0.40 | 0.21 | 0.07 |
Adjusted Standard Deviation | 0.73 | 0.60 | 0.39 |
Separation | 1.83 | 2.87 | 5.62 |
Reliability | 0.77 | 0.89 | 0.97 |
Fixed Chi Square (p-value) | 508.5 (<  0.01) | 281.5 (<  0.01) | 132.4 (<  0.01) |