Table 6 Simulation results (confidence intervals).
Mean coverage prob. | Mean interval length | |||||
|---|---|---|---|---|---|---|
Sample size | U | PB | Bt | U | PB | Bt |
Outcome scale {0, 1, 2} | ||||||
10, 10 | 95.2 | 93.2 | 95.8 | 1.45 | 1.27 | 1.49 |
50, 50 | 94.8 | 94.7 | 94.8 | 0.61 | 0.60 | 0.61 |
25, 10 | 94.3 | 92.5 | 94.1 | 1.21 | 1.07 | 1.19 |
100, 25 | 95.0 | 94.3 | 94.6 | 0.70 | 0.66 | 0.69 |
Outcome scale {0, 1, 2, 3} | ||||||
10, 10 | 95.0 | 93.0 | 95.8 | 1.95 | 1.71 | 2.01 |
50, 50 | 94.8 | 94.6 | 94.8 | 0.82 | 0.80 | 0.82 |
25, 10 | 94.5 | 92.5 | 94.3 | 1.63 | 1.44 | 1.61 |
100, 25 | 94.8 | 94.0 | 94.4 | 0.94 | 0.89 | 0.92 |
Outcome scale {0, 1, 2, 3, 4} | ||||||
10, 10 | 94.9 | 92.7 | 95.8 | 2.36 | 2.05 | 2.43 |
50, 50 | 94.8 | 94.5 | 94.8 | 0.99 | 0.97 | 0.99 |
25, 10 | 94.5 | 92.5 | 94.5 | 1.96 | 1.73 | 1.95 |
100, 25 | 94.7 | 94.1 | 94.4 | 1.13 | 1.07 | 1.11 |
Outcome scale {0, 1, 2, 3, 4, 5} | ||||||
10, 10 | 94.9 | 92.5 | 95.8 | 2.84 | 2.47 | 2.94 |
50, 50 | 94.8 | 94.5 | 94.8 | 1.20 | 1.17 | 1.20 |
25, 10 | 94.5 | 92.5 | 94.5 | 2.37 | 2.09 | 2.35 |
100, 25 | 94.7 | 94.0 | 94.4 | 1.35 | 1.29 | 1.34 |