National Archive of Criminal Justice Data
Cross-Jurisdictional Comparison of Sexual Assault Kit Backlogs and their Criminal Justice Consequences
How NIJ Is Building the Nation's Research Infrastructure
NIJ provides a multilevel system of support helping researchers at every level of their careers.
BRIEF INTERVENTIONS ENHANCING SCHOOL SAFETY
Data Visualization Challenge: Using Data to Improve Justice
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Thank you for your interest in the NIJ 2014 Data Visualization Challenge: Using Data to Improve Justice. No winners were selected for this Challenge.
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Overview
The National Institute...
Evaluating Medicaid Access for Halfway House Residents: A Research Partnership with the Connecticut Department of Corrections
An Assessment of Extremist Groups Use of Web Forums, Social Media, and Technology to Enculturate and Radicalize Individuals to Violence
Preparing, Archiving, and Accessing NIJ Data at NACJD
Firearm Legislation and Firearm Violence Across Space and Time: A Comprehensive Data Collection Effort
The Effects of Increased Prescribing of Psychotropic Drugs to Children and Adolescents on Trends in Juvenile Delinquency and Violence: Empirical Analysis Using State-Level Panel Data
Raman spectroscopy for analyzing body fluid traces: Moving towards a practical forensic application
Archiving NIJ Data at NACJD
Understanding Influence Across Justice Agencies: The Spread of Community Reformsfrom Law Enforcement to Prosecutor Organizations
Determinants of Chicago Neighborhood Homicide Trends: 1980-2000
Research Validity and Integrity
Scientific & Research Integrity Policy
The DOJ Scientific Integrity Policy underscores the validity and objectivity of NIJ’s scientific endeavors.
The Institute provides objective and independent knowledge and tools to enhance safety and promote justice. NIJ follows widely accepted scientific processes and procedures to help ensure the validity and integrity of our research. This page describes: