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Comprehensive Investigation of the Role of Individuals, the Immediate Social Environment, and Neighborhoods in Trajectories of Adolescent Antisocial Behavior in Chicago, Illinois, 1994-2002
The overall goal of this study was to acquire a greater understanding of the development of adolescent antisocial behavior using data from the Project on Human Development in... -
National Survey of Eyewitness Identification Procedure in Law Enforcement Agencies, 1994-2012
The data results from a study conducted by the Police Executive Research Forum (PERF) designed to obtain the first nationwide assessment of the state of the criminal justice... -
Repeat Complaint Address Policing: Two Field Experiments in Minneapolis, 1985-1987
A leading sociological theory of crime is the "routine activities" approach (Cohen and Felson, 1979). The premise of this theory is that the rate of occurrence of crime is... -
Evaluation of the Psychological Effects of Administrative Segregation in Colorado, 2007-2010
The study was conducted to evaluate the psychological effects of long-term administrative segregation (AS) on offenders, particularly those with mental illness. The longitudinal... -
Evaluation of Utah's Early Intervention Mandate: Juvenile Sentencing Guidelines and Intermediate Sanctions, 1996-2000
This study was an evaluation of changes initiated by the State of Utah to reduce youth crime: a program of early intervention comprised of Juvenile Sentencing Guidelines and a... -
Effects of Sentences on Subsequent Criminal Behavior in New Jersey, 1976-1977
This data collection examines the effects of sentencing on offenders' subsequent criminal behaviors. The data address the following questions: (1) At what point in the criminal... -
Process Evaluation of the Gender Appropriateness of the Residential Substance Abuse Treatment (RSAT) Program at Baylor Women's Correctional Institute, 1999-2001
The overall goals of the process evaluation were to assess the participants' views on the Residential Substance Abuse Treatment (RSAT), a Therapeutic Community program at Baylor... -
Responding to Fiscal Challenges in State Correctional Systems: A National Study of Prison Closings and Alternative Strategies, 2007-2012
These data are part of NACJD's Fast Track Release and are distributed as they were received from the data depositor. The files have been zipped by NACJD for release, but not... -
Street Gangs and Drug Sales in Pasadena and Pomona, California, 1989-1991
These data were collected to explore connections between street gangs and drug distribution. The research objectives for this study were (1) to assess the magnitude of gang... -
Evaluation of Pennsylvania's Residential Substance Abuse Treatment Program for Drug-Involved Parole Violators, 1998
This study was a process evaluation of Pennsylvania's two Residential Substance Abuse Treatment (RSAT) programs in their first year of implementation. These programs were... -
National Survey of Police-Media Relations, 2000
This study was undertaken to examine the influence police officers have in creating an image of law enforcement through media relations and public information offices/officers... -
Organized Crime Business Activities and Their Implications for Law Enforcement, 1986-1987
This project was undertaken to investigate organized criminal groups and the types of business activities in which they engage. The focus (unit of analysis) was on the organized... -
Supporting Police Integrity in the Philadelphia [Pennsylvania] Police Department, 1991-1998 and 2000
This study investigated police integrity in the Philadelphia Police Department (PPD). Its primary goal was to identify risk factors for negative police behaviors and outcomes... -
Examination of Actuarial Offender-Based Prediction Assessments in Texas, 1993-1996
The purpose of this study was to provide a comprehensive assessment of the usefulness and effectiveness of prediction and classification of offenders under community... -
Guardian Angels: Citizen Response to Crime in Selected Cities of the United States, 1984
This study was designed to assess the effects of the activities of the Guardian Angels on citizens' fear of crime, incidence of crime, and police officers' perceptions of the... -
Linking Theory to Practice: Examining Geospatial Predictive Policing, Denver, Colorado, 2013-2015
This research sought to examine and evaluate geospatial predictive policing models across the United States. The purpose of this applied research is three-fold: (1) to link...
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