Fig. 4.
Means and the standard error for the GAIN in the first 18 trials vs. the GAIN in the last 18 trials of the “Devil's chest” experiment. MU = monetary units.
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.