An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Steeger CM, Gondoli DM.Steeger CM, et al. Among authors: gondoli dm.Dev Psychol. 2013 Apr;49(4):804-14. doi: 10.1037/a0028599. Epub 2012 May 21.Dev Psychol. 2013.PMID: 22612432Free PMC article.