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.
Answers of visually impaired participants to the questionnaire.
| User 1 | User 2 | User 3 | User 4 | Average Rating | |
|---|---|---|---|---|---|
| How easy is to adapt to the system? | 4 | 5 | 5 | 5 | 4.75 |
| How annoying is the vest? | 3 | 5 | 4 | 5 | 4.25 |
| How annoying are the headphones? | 0 | 0 | 1 | 1 | 0.5 |
| How annoying are the beeps? | 0 | 0 | 0 | 1 | 0.25 |
| How useful is the system? | 5 | 5 | 4 | 4 | 4.5 |
