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What strategies can be effective in reducing crime and disorder in policing? The Evidence-Based Policing Matrix is a research-to-practice translation tool that organizes moderate to very rigorous evaluations of police interventions visually, allowing agencies and researchers to view the field of research in this area. The Matrix is updated with all qualifying studies each year.

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Neighborhood – Barthe & Stitt (2011)

Increased patrol presence in an area following an abduction/homicide associated with declines in person and property calls in target area relative to comparison site

Neighborhood – Press (1971)

Police manpower increased by 40 percent in one precinct and outdoor crimes decreased compared to control precinct

Neighborhood – Braakman (2022)

Stop and search operations did not significantly reduce drug offenses, weapon offenses, and violent crime, but did significantly decrease anti-social behavior, criminal damage, and public order offenses.

Neighborhood – Kelling et al. (1974)

No difference in crime by beat based on the number of police cars assigned to random patrol.

Neighborhood – Mares & Blackburn (2021)

Acoustic Gunshot Detection System (AGDS) did not lead to crime reduction

Neighborhood – Police Foundation (1981)

No difference in crime by number of foot patrol officers assigned

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