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.
Results of the pretests. Shown are errors in magnitude (EM) in pretest 1 (A) and errors in direction (ED) in pretest 2 (B). Dots represent individual subjects, coded by color and ranked by EM (A) or ED (B) to allow for easier comparison between groups. Also shown is the mean ± SE for each group.
