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.
Example of stimuli illustrating an iconic and non-iconic target sign, as well as the aligned and non-aligned pictures for the iconic target sign. Non-iconic target signs are not aligned or non-aligned to the pictures because there is no clear mapping between form and meaning for these signs.
