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Notes on contributors
Michael Fendrich
Michael Fendrich received his Ph.D. in Community Psychology from the University of Texas at Austin and an M.S. in Biostatistics from Columbia University. He is currently Professor of Psychology in the Department of Psychiatry, Institute for Juvenile Research at the University of Illinois at Chicago. Over the past decade, he has been the recipient of research grants from the National Institute on Drug Abuse and the National Institute of Justice. His epidemiological research has focused mainly on methodological issues in the measurement of substance use in community studies. His latest NIDA-funded research examines the feasibility and use of drug testing in household surveys.
Timothy P. Johnson
Timothy Johnson earned a Ph.D. in Sociology from the University of Kentucky in 1988. He currently serves as Director of the Survey Research Laboratory, in the College of Urban Planning and Public Affairs at the University of Illinois at Chicago. He is also Professor of Public Administration and Research Professor of Epidemiology at UIC. His main research interests include the social epidemiology of substance use behaviors, and sources of measurement and nonresponse error in health-related survey research. Johnson has also served as a member of the Editorial Board of Substance Use & Misuse since 1996, and is a faculty member of the middle Eastern Summer Institute & Drug use.