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NCJRS Library

The NCJRS Abstracts Database contains abstracts of more than 200,000 criminal justice, juvenile justice, and substance abuse resources housed within the NCJRS Library. Search the NCJRS Abstracts Database for resources on this topic.

Violent Crime Programs at a Glance

23% No Effects

59% Promising

18% Effective

Total Number of Programs: 159

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Violent Crime Practice Outcomes at a Glance

25% No Effects

45% Promising

30% Effective

Total Number of Practices: 26

See All Practices

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Randomized Controlled Trial (RCT) / Randomized Field Experiment

Refers to an experimental research design in which participants are randomly assigned to a treatment or a control group. Most social scientists consider random assignment to lead to the highest level of confidence that observed effects are the result of the program and not other variables.

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Crime & Crime Prevention

Violent crime is generally categorized into four types of offenses which involve force or the threat of force: murder, rape and sexual assault, robbery, and assault.