Evidence-Based/Data-Driven Policing
Policy Center Resources
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Building Trust, Reducing Crime: What Procedural Justice Training Means For Hot Spot Policing
This brief discusses how procedural justice training at crime hot spots can reduce arrests, improve officer behavior, and lower crime without eroding public trust.
Adapted from Weisburd, D., Telep, C.W., Vovak, H., Zastrow, T., Braga, A.A., & Turchan, B. (2022). Reforming the police through procedural justice training: A multicity randomized trial at crime hotspots. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.2118780119
IACP's Evidence-to-Action Hub is your go-to resource for fast, accessible, and actionable summaries of research designed for immediate use by police executives, command staff, and practitioners.
Rethinking Racial Disparities in Police Stops: Why the Benchmark Matters
This brief discusses how using citywide populations as the benchmark for assessing racial disparities in police stops overstates bias and misrepresents the realities of policing.
Adapted from Ratcliffe, J.H. & Hyland, S.S. (2025). Police stops and naïve denominators. Crime Science, 14(10).
IACP's Evidence-to-Action Hub is your go-to resource for fast, accessible, and actionable summaries of research designed for immediate use by police executives, command staff, and practitioners.
Reducing Force, Reducing Injuries: Saint Paul's Evidence-Based Shift to Leverage Control
This brief discusses how comprehensive, evidence-based training on both physical tactics and communication and teamwork can meaningfully reduce use of force severity, injuries to officers and suspects, and agency liability.
Adapted from Huff, J., Zauhar, S., & Agniel, D. (2024). From pain compliance to leverage-based control: Evidence of reduced use of force severity and injuries following police training. Policing: A Journal of Policy and Practice, 18, 1-11. https://doi.org/10.1093/police/paae037
IACP's Evidence-to-Action Hub is your go-to resource for fast, accessible, and actionable summaries of research designed for immediate use by police executives, command staff, and practitioners.
Does Community Policing Work? A Global Meta-Analysis on Crime Reduction
This brief discusses how community policing can reduce rates of burglary, most gun- and drug-related crime, robbery, most Part 1 crimes, and overall fear of crime.
Adapted from Ekici, N., Akdogan, H., Kelly, R., & Gultekin, S. (2022). A meta-analysis of the impact of community policing on crime reduction. Journal of Community Safety and Well-Being, 7(3), 111-121. https://doi.org/10.35502/jcswb.244
IACP's Evidence-to-Action Hub is your go-to resource for fast, accessible, and actionable summaries of research designed for immediate use by police executives, command staff, and practitioners.
