Design | Spatial balance | |||||
Equal inclusion probabilities | Unequal inclusion probabilities | |||||
n = 50 | n = 75 | n = 100 | n = 50 | n = 75 | n = 100 | |
SRS/RPM | 0.5718 | 0.5725 | 0.5672 | 0.5649 | 0.5682 | 0.5604 |
LPM1 | 0.2112 | 0.2031 | 0.1980 | 0.2156 | 0.2094 | 0.2055 |
LPM2 | 0.2110 | 0.2038 | 0.1983 | 0.2153 | 0.2094 | 0.2053 |
SCPS | 0.2262 | 0.2212 | 0.2191 | 0.2310 | 0.2331 | 0.2322 |
BS | 0.5304 | 0.5411 | 0.5396 | 0.5310 | 0.5240 | 0.5087 |
DBSS | 0.2086 | 0.2022 | 0.1955 | 0.2675 | 0.2723 | 0.2601 |