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 for cognitive flexibility outcome. Values shown are effect sizes (Hedges’s g) with 95% confidence intervals. The size of the plotted squares reflects the statistical weight of the study. Black squares: individual studies. Black rhomboid: summary result.
