TABLE 2.
Efficiency of different two-phase ODS designs and analysis procedures relative to SRS with the ML across 5,000 replicates for correlated Xi and Zi and large cluster size.
| Design + Method | β0 | βx | βt | βz | βxt | γ |
|---|---|---|---|---|---|---|
| NSA[0, 500, 0] + ACML | 0.94 | 1.37 | 1.65 | 0.94 | 1.67 | 1.29 |
| NSA[50, 450, 0] + ACML | 1.14 | 1.36 | 1.53 | 1.04 | 1.58 | 1.35 |
| SRS[500] + SMLE | 2.90 | 1.38 | 2.64 | 2.74 | 1.58 | 3.72 |
| NSA[0, 500, 0] + SMLE | 3.26 | 1.75 | 3.11 | 2.96 | 2.18 | 3.73 |
| NSA[50, 450, 0] + SMLE | 3.19 | 1.70 | 3.00 | 2.94 | 2.05 | 3.76 |
| vR[500] + SMLE | 3.51 | 1.89 | 3.51 | 2.88 | 3.01 | 3.73 |
| mR[250, 250] + SMLE | 3.57 | 2.61 | 3.34 | 3.19 | 2.53 | 3.85 |
| abs.mR[500] + SMLE | 3.53 | 2.68 | 3.38 | 3.31 | 2.56 | 3.85 |