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.
Appreciation of the previsualization with VAS scale.
| Test with smile design | Very effective | 18 | 64.3% |
| Effective | 10 | 35.7% | |
| Ineffective | 0 | 0% | |
| Total | 28 | 100% | |
|
| |||
| Test with mockup | Very effective | 24 | 85.7% |
| Effective | 4 | 14.3% | |
| Ineffective | 0 | 0% | |
| Total | 28 | 100% | |
