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Federal
Effects of Marijuana Legalization on Law Enforcement and Crime, Washington, 2004-2018 40 recent views
Department of Justice —
This study sought to examine the effects of cannabis legalization on crime and law enforcement in Washington State. In 2012 citizens voted to legalize possession of... -
Federal
Study of Race, Crime, and Social Policy in Oakland, California, 1976-1982 18 recent views
Department of Justice —
In 1980, the National Institute of Justice awarded a grant to the Cornell University College of Human Ecology for the establishment of the Center for the Study of... -
Federal
Homicides in New York City, 1797-1999 [And Various Historical Comparison Sites] 14 recent views
Department of Justice —
There has been little research on United States homicide rates from a long-term perspective, primarily because there has been no consistent data series on a... -
Federal
Evaluation of CeaseFire, a Chicago-based Violence Prevention Program, 1991-2007
Department of Justice —
This study evaluated CeaseFire, a program of the Chicago Project for Violence Prevention. The evaluation had both outcome and process components. The outcome... -
Federal
Arrests As Communications to Criminals in St. Louis, 1970, 1972-1982
Department of Justice —
This data collection was designed to assess the deterrent effects over time of police sanctioning activity, specifically that of arrests. Arrest and crime report data... -
Federal
Explaining Developmental Crime Trajectories at Places: A Study of "Crime Waves" and "Crime Drops" at Micro Units of Geography in Seattle, Washington, 1989-2004
Department of Justice —
This study extends a prior National Institute (NIJ) funded study on mirco level places that examined the concentration of crime at places over time. The current study... -
Federal
Racial Disparities in Virginia Felony Court Cases, 2007-2015
Department of Justice —
Research examining racial disparities in the court system has typically focused on only one of the discrete stages in the criminal process (the charging, conviction,... -
Federal
How Justice Systems Realign in California: The Policies and Systemic Effects of Prison Downsizing, 1978-2013
Department of Justice —
These data are part of NACJD's Fast Track Release and are distributed as they there received from the data depositor. The files have been zipped by NACJD for release,... -
Federal
Gender and Violent Victimization, 1973-2005 [United States]
Department of Justice —
The purpose of this project was to estimate long-term trends in violent victimization by gender and various socio-demographic factors. These factors included race and... -
Federal
Intercity Variation in Youth Homicide, Robbery, and Assault, 1984-2006 [United States]
Department of Justice —
The research team collected data on homicide, robbery, and assault offending from 1984-2006 for youth 13 to 24 years of age in 91 of the 100 largest cities in the... -
Federal
Compstat and Organizational Change in the United States, 1999-2001
Department of Justice —
The purpose of the study was to determine how Compstat programs were being implemented across the United States by examining the diffusion of Compstat and factors... -
Federal
Survey of American Prisons and Jails, 1979
Department of Justice —
This data collection contains information gathered in a two-part survey that was designed to assess institutional conditions in state and federal prisons and in... -
Federal
Multiple Imputation for the Supplementary Homicide Reports: Evaluation in Unique Test Data, 1990-1995, Chicago, Philadelphia, Phoenix and St. Louis
Department of Justice —
This study was an evaluation of multiple imputation strategies to address missing data using the New Approach to Evaluating Supplementary Homicide Report (SHR) Data... -
Federal
Injury Evidence, Forensic Evidence and the Prosecution of Sexual Assault, United States, 2005-2011
Department of Justice —
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,... -
Federal
New Approach to Evaluating Supplementary Homicide Report (SHR) Data Imputation, 1990-1995
Department of Justice —
The purpose of the project was to learn more about patterns of homicide in the United States by strengthening the ability to make imputations for Supplementary... -
Federal
National Evaluation of the Rural Domestic Violence and Child Victimization Enforcement Grant Program, 1998-2002
Department of Justice —
The National Evaluation of the Rural Domestic Violence and Child Victimization Enforcement Grant Program (National Rural Evaluation) was a quantitative and... -
Federal
Police Response Time Analysis, 1975
Department of Justice —
This is a study of the relationship between the amount of time taken by police to respond to calls for service and the outcomes of criminal and noncriminal incidents... -
Federal
Survey of Police Chiefs' and Data Analysts' Use of Data in Police Departments in the United States, 2004
Department of Justice —
This study surveyed police chiefs and data analysts in order to determine the use of data in police departments. The surveys were sent to 1,379 police agencies... -
Federal
Measuring Crime Rates of Prisoners in Colorado, 1988-1989
Department of Justice —
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... -
Federal
Missing Data in the Uniform Crime Reports (UCR), 1977-2000 [United States]
Department of Justice —
This study reexamined and recoded missing data in the Uniform Crime Reports (UCR) for the years 1977 to 2000 for all police agencies in the United States. The...