Table 10 Variation in power for repeated measures design given different level of correlation between measurements.
From: A framework for power analysis using a structural equation modelling procedure
Size of correlations between variables | Sample size required for 80% power |
|---|---|
0.0 | 125 |
0.2 | 101 |
0.5 | 65 |
0.8 | 29 |
-0.2 | 149 |