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.
Effect size estimates for the effectiveness of games on knowledge of young people with chronic conditions. Plots symbols for the study-specific estimates are proportional to the (square root of the) number of subjects. CI: confidence interval.
