Theta estimator | Item selection | Prior | SEM threshold θ true  ~ N(0,1) | SEM threshold θ true  ~ U(-3,3) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
0.25 | 0.32 | 0.40 | 0.45 | 0.50 | 0.25 | 0.32 | 0.40 | 0.45 | 0.50 | |||
MLE | UW-FI | - | 19.7 | 23.1 | 24.2 | 24.6 | 23.9 | 20.7 | 21.5 | 25.0 | 25.8 | 24.9 |
MLE | FP-KL | - | 19.5 | 22.9 | 24.0 | 24.1 | 23.8 | 20.6 | 21.2 | 24.4 | 24.9 | 24.4 |
BME | UW-FI | Normal | 20.4 | 24.8 | 28.1 | 28.1 | 32.7 | 20.7 | 22.0 | 24.5 | 24.9 | 29.0 |
BME | UW-FI | Uniform | 19.5 | 22.3 | 23.0 | 22.1 | 20.8 | 20.6 | 20.6 | 23.5 | 24.1 | 22.9 |
BME | FP-KL | Normal | 20.2 | 25.0 | 28.3 | 28.6 | 32.8 | 20.7 | 22.0 | 24.8 | 25.9 | 30.3 |
BME | FP-KL | Uniform | 19.3 | 22.3 | 22.8 | 21.8 | 20.9 | 20.3 | 20.9 | 23.5 | 23.3 | 22.3 |
EAP | UW-FI | Normal | 20.1 | 23.9 | 26.6 | 27.8 | 28.3 | 20.5 | 21.4 | 23.7 | 24.3 | 26.4 |
EAP | UW-FI | Uniform | 19.5 | 22.5 | 25.0 | 24.9 | 26.0 | 20.7 | 21.2 | 25.4 | 26.8 | 25.1 |
EAP | FP-KL | Normal | 19.9 | 24.0 | 27.1 | 28.0 | 29.4 | 20.5 | 21.6 | 24.2 | 24.6 | 27.4 |
EAP | FP-KL | Uniform | 19.7 | 22.1 | 25.2 | 23.3 | 25.8 | 20.2 | 21.3 | 24.8 | 25.4 | 25.3 |