U.S. flag

An official website of the United States government, Department of Justice.

Dot gov

The .gov means it’s official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you’re on a .gov or .mil site by inspecting your browser’s address (or “location”) bar.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Evaluative Research

Select Filters

Protecting Against Stress & Trauma: Research Lessons for Law Enforcement– Defining the Problem

October 2019
At this Research for the Real World seminar, NIJ brought together law enforcement practitioners and leading researchers in the field of stress to discuss the current research evidence and practical benefits of targeted stress-management interventions and how they can promote officer mental wellness. In addition, this gathering provided an exploration into what additional research is needed to best support officer health and wellness, potentially highlighting priority areas for future research.

Wrongful Convictions: The Latest Scientific Research & Implications for Law Enforcement

March 2013

What does science tell us about case factors that can lead to a wrongful conviction? Dr. Jon Gould of American University will discuss the findings of the first large-scale empirical study that has identified ten statistically significant factors that distinguish a wrongful conviction from a "near miss." (A "near miss" is a case in which an innocent defendant was acquitted or had charges dismissed before trial). Following Dr. Gould's presentation, Mr. John R.

Evaluating Reentry Programs Using Data and Science

August 2019

How do you use data and science to measure program success?
John Wetzel, secretary of corrections, Pennsylvania Department of Corrections and Grant Duwe, Ph.D., director of research and evaluation, Minnesota Department of Corrections explain how their agencies evaluate programs using data and science. Duwe details how the most effective programs provided by the Minnesota DOC have been those that focus on known risk factors for recidivism. 

Going Home (or Not): How Residential Change Might Help Former Offenders Stay Out of Prison

October 2011

Dr. Kirk discusses how Hurricane Katrina affected ex-prisoners originally from New Orleans and their likelihood of returning to prison. Kirk also discussed potential strategies for fostering residential change among ex-prisoners, focusing specifically on parole residency policies and the provision of public housing vouchers.

The Evaluation of NIJ by the National Research Council of the National Academy of Sciences: NIJ's Response

June 2011

The National Academies conducted a comprehensive evaluation of the National Institute of Justice. This panel provides an overview of the evaluation and NIJ's response to it. NIJ has accepted many of the recommendations in the NRC report, and you will learn what the agency is doing to implement them. A few of the recommendations were challenging and created considerable debate within NIJ. Plans to address these thorny issues also are discussed.

Domestic Violence Shelters: The Experience of the Survivor

June 2009

Panelists will present findings from a comprehensive study of domestic violence shelters in eight states. Data were collected from 3,410 residents in 215 domestic violence shelters — 81 percent of the shelters. The first of its kind, this descriptive study seeks to fill a gap in current knowledge about the needs and experiences of domestic violence survivors who turn to shelters for help and the type of help they receive. Implications for policy and programming will also be addressed.

Homicide in the United States

June 2009

The 2009 NIJ Conference kicked off with a blue-ribbon panel of leaders with expertise in urban issues as they relate to homicide. These experts will discuss promising approaches that have resulted in reduced violence and community empowerment.

Alternative Sentencing Policies for Drug Offenders

June 2009

The panel presentations from the 2009 NIJ Conference are based on an NIJ-sponsored evaluation of the effectiveness of Kansas Senate Bill 123, which mandates community-based drug abuse treatment for drug possession by nonviolent offenders in lieu of prison. 

Gang Membership Prevention

June 2010

The Centers for Disease Control and Prevention and NIJ collaborated on a book that focuses on promising principles for gang membership prevention. This NIJ Conference Panel discusses the risk and protective factors that influence gang membership as well as efforts to reduce such factors. Panelists also explored the direction of gang research for the future.

Using License Plate Readers to Fight Crime

June 2010

This is a joint panel of NIJ's Office of Research and Evaluation (ORE ) and Office of Science and Technology (OST). Panelists will discuss the latest efforts to implement license plate reader technology into policing operations. OST grantees will explain various aspects of the technology and an ORE grantee from the National Opinion Research Center will present findings from a study on the use of license plate readers to combat auto theft in Arizona.