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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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  • X-Axis| Type/Scope of Target

  • Y-Axis | General or Focused

  • Z-Axis | Policy Reactivity

  • Result

  • Reset

Jurisdiction – Lilley (2015)

Jurisdictions
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Focused
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Highly Proactive
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Mixed effects
Weed and Seed produced statistically significant reductions in robbery, burglary, and vehicle theft. Results for murder, aggravated assault, larceny, and rape were less consistent or generally not statistically significant.

  • X-Axis| Type/Scope of Target

  • Y-Axis | General or Focused

  • Z-Axis | Policy Reactivity

  • Result

  • Reset