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.
Measuring the validity of this application
| Aspects | Validators | |||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| User interface | 3.9 | 5 | 4.1 | 4.6 | 5 | 4.8 |
| Content | 4 | 4.5 | 4.8 | 4.9 | 4.9 | 4.6 |
| Teaching method | 5 | 4.1 | 4.5 | 4.7 | 5 | 4.8 |
| Speed | 4.5 | 4.8 | 4.4 | 4.3 | 4.8 | 4.6 |
| Mean | 4.3 | 4.6 | 4.5 | 4.6 | 4.9 | 4.7 |
| Total | 4.6 | |||||
| Criteria | Very valid | |||||
