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.
Act indicates actual rewards; DD, delay discounting; and Hyp, hypothetical rewards. Square data points reflect effect size (Hedges g) for each study, with whiskers reflecting 95% CIs. Diamonds reflect aggregate effect sizes (Hedges g) for each category, with width of diamond indicating 95% CI.
