Figure 6.
Time to first solve by puzzle type (dog treat toy n = 10, flap lid n = 11, and slide lid n = 12).
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.