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.
Mean proportion of moves used by younger normally-sighted participants to reach criterion learning in four presentation modes. Error bars indicate +/− 1 standard error. The proportion of moves used is calculated as the number of moves used divided by the total number of moves allowed to reach criterion learning.
