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.
The proportion of trials on which children did (black bars) or did not (white bars) spontaneously imitate the experimenter’s iconic gesture that were successful (i.e., the child achieved the target action). Data for the 3-year-olds (from Study 1) are presented on the left; data from the 2-year-olds (from Studies 1 and 2) are presented on the right.
