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.
Sample size calculations for ALE meta-analyses assuming a desired power of 80% given different “effect sizes” (proportion of the experiments in the underlying population showing an effect at a given location) for each of the four assessed thresholding approaches.
