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Simulated significance levels for rejecting the null hypothesis of 
based on 1000 replications fitted to the two-part shared random cluster effect model for each sample size when the null hypothesis is true (Case 1)
| Nominal level | Sample size | ||
|---|---|---|---|
| 1000 | 2000 | 3000 | |
| 0.05 | 0.055 | 0.056 | 0.062 |
