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.
CI: confidence interval
| Average scores % (95% CI) | Score range % (lowest score to highest score) | |
| Pre-test | 68.4 (65.4 to 71.4) | 18.2 to 90.9 |
| Post-test | 92.8 (90.8 to 94.8) | 45.5 to 100 |
| Hands-on evaluation | 84.4 (81.6 to 87.3) | 35.7 to 100 |
