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.
Number and percentage of test participants that recalled 1 or more items in researcher-identified categories. Lines and letters are indicative of statistical significance. For instance, the proportion of people recalling brand name, indications, and color showed no evidence of statistical significance when compared (a), but brand name was recalled significantly more frequently than graphics (bc), ingredients (bcd), etc.
