Fig. 2.
Percentages of participants choosing the correct, adjacent (+1/−1) or distant (>+1/−1) portion number compared with the actual portion number (n, number of estimations/food group).
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.