Table 2.
Bias by Class for Binary Outcome Probabilities in Selected Conditions
| Class 1 | Class 2 | Class 3 | |
|---|---|---|---|
| True P(Y|C) | 0.800 | 0.500 | 0.200 |
|
| |||
| Bias in Estimated P(Y|C) under Poor Measurement Quality | |||
|
| |||
| Unadjusted (Modal) | −0.029 | −0.002 | 0.030 |
| (Proportional) | −0.043 | −0.001 | 0.043 |
| ML (Modal) | −0.001 | −0.002 | 0.002 |
| (Proportional) | −0.001 | −0.001 | 0.001 |
| BCH (Modal) | −0.001 | −0.002 | 0.001 |
| (Proportional) | 0.000 | −0.001 | 0.001 |
| Inclusive (Modal) | 0.010 | −0.002 | −0.010 |
| (Proportional) | 0.001 | −0.002 | 0.000 |
Note. This table contains results only for scenarios with large effect size. For ML and BCH, only modal assignment is shown, because the modal and proportional assignment options provided very similar results.