Figure 2.
Examples of trials used in the cyclical item matching task. PPM = Picture-Picture matching; WPM = Word-Picture matching.
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.