Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Sensitivity analysis
| Effect size | ICC | Number per cluster | Total N required |
|---|---|---|---|
| 0.5 | 0.05 | 8 | 173 |
| 0.8 | 0.05 | 8 | 69 |
| 0.2 | 0.05 | 8 | 1063 |
| 0.3 | 0.05 | 8 | 474 |
| 0.4 | 0.05 | 8 | 268 |
| 0.45 | 0.05 | 8 | 212 |
| 0.5 | 0.025 | 8 | 150 |
| 0.5 | 0.01 | 8 | 132 |
| 0.5 | 0.005 | 8 | 132 |
| 0.45 | 0.005 | 8 | 163 |
ICC intracluster correlation coefficient
