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Date: 2014-09-15 11:07:56Randomized controlled trial Substance abuse prevention Substance Abuse and Mental Health Services Administration Violence Positive youth development Ethics Scientific method Psychiatry Clinical research Design of experiments Epidemiology | A brief from the Pew-MacArthur Results First Initiative Sept 2014 Peter Cade/Getty ImagesAdd to Reading ListSource URL: www.pewtrusts.orgDownload Document from Source WebsiteFile Size: 790,80 KBShare Document on Facebook |