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.
| Randomization with Same Probability |
| - Simple Randomization |
| - Blocked Randomization |
| - Stratified Randomization |
| Randomization with Varied Probability |
| - Treatment-Adaptive Randomization |
| - Adaptive Randomization |
| - Response-Adaptive Randomization |
