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.
Evaluation of the app’s distinct modules by the respondents.
| Modules | Utility, mean (SD) | Subjective preference, mean (SD) |
| Animated comics | 3.3 (1.3) | 3.5 (1.4) |
| Quiz game | 3.9 (1.2) | 3.8 (1.3) |
| What if? | 3.8 (1.3) | 3.9 (1.3) |
| Substance store | 3.9 (1.3) | 3.8 (1.3) |
| Trans-formation | 3.9 (1.3) | 3.7 (1.3) |
| Where to go? | 3.5 (1.4) | 3.3 (1.5) |
