An official website of the United States government
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Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
A locked padlock
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This is a great introduction to the process by which an organization can evaluate whether a program is evidence-based is explained.