Datasets
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Measuring Crime Rates of Prisoners in Colorado, 1988-1989
In the late 1970s, the Rand Corporation pioneered a method of collecting crime rate statistics. They obtained reports of offending behavior--types and frequencies of crimes... -
Techniques for Assessing the Accuracy of Recidivism Prediction Scales, 1960-1980: [Miami, Albuquerque, New York City, Alameda and Los Angeles Counties, and the State of California]
The purpose of this data collection was to measure the validity or accuracy of four recidivism prediction instruments: the INSLAW, RAND, SFS81, and CGR scales. These scales... -
Improving Evidence Collection Through Police-Prosecutor Coordination in Baltimore, 1984-1985
The purpose of this data collection was to investigate the effects of changes in police evidence procedures and the effects of providing feedback to officers on felony case... -
Procedural Reform of Jury Murder Convictions in Georgia, 1970-1978
The purpose of this data collection was to assess the impact of the 1973 reforms of the death penalty laws on the levels of arbitrariness and discrimination in capital... -
Impact of Casino Gambling on Crime in the Atlantic City Region, 1970-1984
The aim of this data collection was to gauge the impact of legalized casino gambling on the level and spatial distribution of crime in the Atlantic City region by comparing... -
Cross-Validation of the Iowa Offender Risk Assessment Model in Michigan, 1980-1982
These data were collected in an attempt to cross-validate the 1984 and 1985 versions of the Iowa model for assessing risk of offending while on parole by applying the model to a... -
Evaluation of Minnesota's Felony Sentencing Guidelines, 1978-1984
This data collection gauges the effects of the Minnesota felony sentencing guidelines on prosecutional charging practices, plea negotiations, and sentencing decisions. The... -
Sandhills [North Carolina] Vocational Delivery System Evaluation Project, 1983-1987
This data collection was designed to evaluate the effectiveness of a vocational training program on post-release vocational skills, employment, and recidivism of youthful male... -
Analyzing Trial Time in California, Colorado, and New Jersey, 1986
This study of nine courts was undertaken to identify procedural factors that can be used to reduce the length of criminal and civil trials without impairing fairness. The data... -
Firearms Violence and the Michigan Felony Firearm Law: Detroit, 1976-1978
The purpose of this study was to estimate the impact of the Michigan Firearm Law on the processing of defendants in Detroit's Recorder's Court. Most variables in the study focus... -
Homicides in Chicago, 1965-1995
These datasets contain information on every homicide in the murder analysis files of the Chicago Police Department for the years 1965-1995. For the victim-level file, Part 1,... -
Evaluating the Incapacitative Benefits of Incarcerating Drug Offenders in Los Angeles and Maricopa [Arizona] Counties, 1986 and 1990
The objective of this study was to examine the observable offending patterns of recent and past drug offenders to assess the crime control potential associated with recent... -
Intensive Supervision for High-Risk Offenders in 14 Sites in the United States, 1987-1990
In 1986, the Bureau of Justice Assistance (BJA) funded a demonstration project of intensive supervision programs (ISPs), alternatives to control sanctions that involve community... -
Police and Child Abuse: Policies and Practices in the United States, 1987-1988
This study was conducted by the Police Foundation and the American Enterprise Institute to document municipal and county law enforcement agencies' policies for dealing with... -
Production and Consumption of Research in Police Agencies in the United States, 1989-1990
The purpose of this study was to describe the dynamics of police research, how the role and practice of research differ among police agencies, and why this appears to happen.... -
Police Use of Force [United States]: Official Reports, Citizen Complaints, and Legal Consequences, 1991-1992
This national survey was designed to collect information on police departmental policies and practices pertaining to the use of physical force--both deadly and less than lethal... -
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... -
Violent Offending by Drug Users: Longitudinal Arrest Histories of Adults Arrested in Washington, DC, 1985-1986
This data collection effort examined the influence of drug use on three key aspects of offenders' criminal careers in violence: participation, frequency of offending, and... -
National Assessment Survey of Law Enforcement Anti-Gang Information Resources, 1990-1991
This study constituted a systematic national assessment of local law enforcement perceptions of the distribution of gang and gang-like problems in large cities in the United... -
Evaluation of the Los Angeles County Regimented Inmate Diversion (RID) Program, 1990-1991
This data collection documents an evaluation of the Los Angeles County Sheriff's Regimented Inmate Diversion (RID) program conducted with male inmates who were participants in...