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.
Vessells J, Sy JR, Wilson A, Green L.Vessells J, et al. Among authors: sy jr.J Appl Behav Anal. 2018 Apr;51(2):374-381. doi: 10.1002/jaba.454. Epub 2018 Mar 14.J Appl Behav Anal. 2018.PMID: 29536539
Sy JR, Green L, Gratz O, Ervin T.Sy JR, et al.Behav Modif. 2016 Sep;40(5):713-30. doi: 10.1177/0145445515622382. Epub 2016 Jan 12.Behav Modif. 2016.PMID: 26762626
Porter A, Sy JR.Porter A, et al. Among authors: sy jr.J Appl Behav Anal. 2020 Jan;53(1):508-521. doi: 10.1002/jaba.604. Epub 2019 Jul 7.J Appl Behav Anal. 2020.PMID: 31282014