Figure 1.
Behavior of the power as a function of the standardized mean difference and correlation, for the group-sequential designs shown in Table 2 (DF-1).
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.