PUBLICATIONS

A comparison of confidential versus anonymous survey procedures: Effects on reporting of drug use and related attitudes and beliefs in a national study of students

O’Malley, Patrick M; Bachman, Jerald G; Johnston, Lloyd D; Schulenberg, John E. (2000). A comparison of confidential versus anonymous survey procedures: Effects on reporting of drug use and related attitudes and beliefs in a national study of students. Journal of Drug Issues. 30(1), 35-54.