![statistics sequential testing statistics sequential testing](https://splitmetrics.com/wp-content/uploads/2020/12/Frame-1416.png)
![statistics sequential testing statistics sequential testing](https://file.scirp.org/Html/7-1240028/d4944404-ca6c-416c-afd2-a5f94cd7ca44.jpg)
If the null is rejected, the trial is terminated, and otherwise it continues with periodic evaluations until a maximum number of interim analyses have been performed, at which point the last statistical test is conducted and the trial is discontinued. Importance sampling in the Monte Carlo study of sequential tests. A statistical test is performed to compare the two groups and if the null hypothesis is rejected the trial is terminated otherwise, the trial continues, another n subjects per group are recruited, and the statistical test is performed again, including all subjects. Statistical Sequential Analysis: Optimal Stopping Rules.
![statistics sequential testing statistics sequential testing](https://i.stack.imgur.com/s9kV4.png)
The sequential-test figures compare favorably to the fixed-sample numbers in some circumstances (emphasized in green) and less favorably in other circumstances.