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 shaded area represents the standard deviation. *—Exposure effect (p < .05); † - Condition effect (p < .05); 
- Interaction effect (p < .05).
