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.
Ruthruff E, Allen PA, Lien MC, Grabbe J.Ruthruff E, et al. Among authors: lien mc.Psychon Bull Rev. 2008 Apr;15(2):337-43. doi: 10.3758/pbr.15.2.337.Psychon Bull Rev. 2008.PMID: 18488649
Allen PA, Smith AF, Lien MC, Kaut KP, Canfield A.Allen PA, et al. Among authors: lien mc.Atten Percept Psychophys. 2009 Feb;71(2):281-96. doi: 10.3758/APP.71.2.281.Atten Percept Psychophys. 2009.PMID: 19304618