This Bulletin is based on “The Co-Occurrence of Persistent Problem Behavior: A
Report of the Program of Research on the Causes and Correlates of Delinquency” by David Huizinga, Rolf Loeber, and Terence P. Thornberry (unpublished report submitted to OJJDP, October 1997).
David Huizinga, Ph.D., is a Senior Research Associate at the Institute of Behavioral Science, University of Colorado, Boulder, and Director of the Denver Youth Survey. Rolf Loeber, Ph.D., is Professor of Psychiatry, Psychology, and Epidemiology at the University of Pittsburgh, PA, and Director of the Pittsburgh Youth Study. Terence P. Thornberry, Ph.D., is Professor and former Dean at the School of Criminal Justice, University at Albany, State University of New York, and Director of the Rochester Youth Development Study. Lynn Cothern, Ph.D., is a Senior Writer-Editor for the Juvenile Justice Resource Center, Rockville, MD.
The authors would like to thank the data collection and research staff of the three projects and all respondents of the three studies, without whom this research would not be possible.
Research for the Denver Youth Survey, the Pittsburgh Youth Study, and the Rochester Youth Development Study is supported by OJJDP under grants 96–MU–FX–0017, 96–MU–FX–0012, and 96–MU–FX–0014, respectively. The Denver Youth Survey is also supported by a grant from the National Institute on Drug Abuse (NIDA). The Pittsburgh Youth Study is also supported by a grant from the National Institute of Mental Health. The Rochester Youth Development Study is also supported by grants from NIDA and the National Science Foundation.