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.
Usability scores in different conditions.
| Condition | Statistics | SUS score |
| High cognitive load | M | 90.31 |
| Linear navigation | SD | 5.89 |
| High cognitive load | M | 58.88 |
| Mixed navigation | SD | 22.78 |
| Low cognitive load | M | 79.06 |
| Linear navigation | SD | 16.74 |
| Low cognitive load | M | 71.88 |
| Mixed navigation | SD | 16.24 |
