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Niemiec CP, Ryan RM, Deci EL.Niemiec CP, et al.J Res Pers. 2009 Jun;73(3):291-306. doi: 10.1016/j.jrp.2008.09.001.J Res Pers. 2009.PMID: 20161160Free PMC article.
Niemiec CP, Lynch MF, Vansteenkiste M, Bernstein J, Deci EL, Ryan RM.Niemiec CP, et al.J Adolesc. 2006 Oct;29(5):761-75. doi: 10.1016/j.adolescence.2005.11.009. Epub 2006 Jan 18.J Adolesc. 2006.PMID: 16412502
Niemiec CP, Ryan RM, Deci EL, Williams GC.Niemiec CP, et al.Patient Educ Couns. 2009 Feb;74(2):250-7. doi: 10.1016/j.pec.2008.08.015. Epub 2008 Oct 5.Patient Educ Couns. 2009.PMID: 18838243Free PMC article.Clinical Trial.
Williams GC, Niemiec CP, Patrick H, Ryan RM, Deci EL.Williams GC, et al. Among authors: niemiec cp.Ann Behav Med. 2009 Jun;37(3):315-24. doi: 10.1007/s12160-009-9090-y. Epub 2009 Apr 17.Ann Behav Med. 2009.PMID: 19373517Free PMC article.Clinical Trial.
Roth G, Assor A, Niemiec CP, Deci EL, Ryan RM.Roth G, et al. Among authors: niemiec cp.Dev Psychol. 2009 Jul;45(4):1119-42. doi: 10.1037/a0015272.Dev Psychol. 2009.PMID: 19586183
Williams GC, Patrick H, Niemiec CP, Ryan RM, Deci EL, Lavigne HM.Williams GC, et al. Among authors: niemiec cp.Contemp Clin Trials. 2011 Jul;32(4):535-43. doi: 10.1016/j.cct.2011.03.002. Epub 2011 Mar 5.Contemp Clin Trials. 2011.PMID: 21382516Free PMC article.Clinical Trial.
Farholm A, Halvari H, Niemiec CP, Williams GC, Deci EL.Farholm A, et al. Among authors: niemiec cp.Disabil Rehabil. 2017 Oct;39(20):2039-2046. doi: 10.1080/09638288.2016.1215559. Epub 2016 Nov 7.Disabil Rehabil. 2017.PMID: 27820971
Williams GC, Niemiec CP, Patrick H, Ryan RM, Deci EL.Williams GC, et al. Among authors: niemiec cp.Health Educ Res. 2016 Dec;31(6):749-759. doi: 10.1093/her/cyw046. Epub 2016 Oct 22.Health Educ Res. 2016.PMID: 27923864Free PMC article.Clinical Trial.
Sheldon KM, Niemiec CP.Sheldon KM, et al. Among authors: niemiec cp.J Pers Soc Psychol. 2006 Aug;91(2):331-41. doi: 10.1037/0022-3514.91.2.331.J Pers Soc Psychol. 2006.PMID: 16881768