and self-sufficient", Slater said. He also mentioned the limitations of the study. These include the fact that findings regarding the ONDCP campaign were based on survey results and not a randomized, experimental design in which some youth saw the ONDCP campaign and others did not. Another limitation was that the study, while taking place in twenty communities around the U.S., did not use a random sample of U.S. youth. See also TheTruth.com Public Service Announcement References External links Above the Influence White House whitepaper Advertising campaigns History of drug control Drug policy of the United States 2005 introductions 2005 neologisms American advertising slogans History of drug control in the United States