Table A2.
Statistical power for Wald tests under contaminated normally distributed residuals for two intervention designs
| β | Design 1 (D1) | Design 2 (D2) | ||||||
|---|---|---|---|---|---|---|---|---|
| ρ = 0 | ρ = .2 | ρ = .5 | ρ = .7 | ρ = 0 | ρ = .2 | ρ = .5 | ρ = .7 | |
| 0.1 | .0560 | .0657 | .0865 | .0954 | .0553 | .0758 | .1142 | .1258 |
| 0.2 | .0651 | .0698 | .0903 | .0932 | .0611 | .0774 | .1092 | .1265 |
| 0.3 | .0789 | .0864 | .0966 | .0995 | .0772 | .0858 | .1140 | .1297 |
| 0.4 | .1016 | .1009 | .1014 | .1015 | .1018 | .1042 | .1207 | .1314 |
| 0.5 | .1264 | .1163 | .1170 | .1158 | .1250 | .1156 | .1272 | .1374 |
| 0.6 | .1521 | .1432 | .1260 | .1188 | .1517 | .1463 | .1460 | .1431 |
| 0.7 | .1870 | .1667 | .1473 | .1324 | .1885 | .1678 | .1472 | .1510 |
| 0.8 | .2334 | .1922 | .1633 | .1465 | .2280 | .1942 | .1685 | .1604 |
| 0.9 | .2712 | .2294 | .1853 | .1687 | .2668 | .2142 | .1837 | .1673 |
| 1 | .3107 | .2728 | .2168 | .1894 | .3008 | .2456 | .1968 | .1801 |
| 1.2 | .3985 | .3401 | .2648 | .2305 | .3952 | .3099 | .2339 | .2029 |
| 1.5 | .5289 | .4434 | .3546 | .3159 | .5204 | .4220 | .3019 | .2466 |
| 1.8 | .6364 | .5577 | .4428 | .3989 | .6259 | .5231 | .3754 | .2859 |
| 2 | .7074 | .6142 | .5025 | .4494 | .6911 | .5720 | .4131 | .3317 |
| 2.5 | .8259 | .7427 | .6462 | .5889 | .8213 | .7100 | .5287 | .4190 |
| 3 | .9073 | .8457 | .7510 | .7158 | .9068 | .8120 | .6342 | .5148 |
| 4 | .9775 | .9482 | .8910 | .8657 | .9730 | .9343 | .8041 | .6952 |
| 5 | .9952 | .9878 | .9554 | .9441 | .9943 | .9723 | .8994 | .8191 |
| 6 | .9991 | .9962 | .9857 | .9781 | .9981 | .9875 | .9459 | .8987 |
| 7 | .9997 | .9991 | .9958 | .9918 | .9988 | .9934 | .9672 | .9418 |
| 8 | .9999 | .9999 | .9987 | .9973 | .9990 | .9948 | .9789 | .9628 |
| 9 | 1 | .9997 | .9999 | .9990 | .9991 | .9960 | .9833 | .9762 |
| 10 | 1 | .9998 | .9999 | .9995 | .9998 | .9973 | .9894 | .9813 |