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.
Forest plot of corrected effect sizes for individual studies and of the aggregated mean effect size (rc = 0.61, 95% CI [0.54, 0.67]) based on the total number of N = 788 participants. Error bars indicate 95% CI; the size of the squares corresponds to the relative weight of the study.
