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The Philadelphia foot patrol experiment

A randomized controlled trial of police effectiveness in violent crime hotspots

Ratcliffe, J. H., Taniguchi, T., Groff, E. R., & Wood, J. (2011). The Philadelphia foot patrol experiment: A randomized controlled trial of police effectiveness in violent crime hotspots. Criminology, 49, 795 - 831.

Publications Info

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RTI shares its evidence-based research - through peer-reviewed publications and media - to ensure that it is accessible for others to build on, in line with our mission and scientific standards.

Recent Publications

Article

Patient-reported outcome improvements following scalp hair regrowth among patients with Alopecia Areata: analysis of the ALLEGRO-2b/3 trial

December 2025
Article

Plain language summary of mortality rates of patients with Parkinson’s disease psychosis who were treated either with pimavanserin or with different second-generation (atypical) antipsychotics

December 2025
Article

Higher acceptability of the monthly dapivirine ring versus daily oral pre-exposure prophylaxis among adolescent girls and young women in sub-Saharan Africa in the REACH trial

December 2025
Article

The relationship between household economic shocks, depression, and elevated stress-responsive biomarkers among adolescent girls and young women in rural South Africa (HPTN 068)

December 2025
Article

Advancing observer-reported outcome measurement: Development of the mood-as for observing distress in Angelman syndrome

December 2025
Article

Cigarette unit sales volume for brands using 'natural', 'organic' and 'tobacco and water' pack terms in the USA, 2018-2022

December 2025
Article

Biological parenthood rates among men with sickle cell disease

December 2025
Article

Temporal changes in sglt2 inhibitor and glp-1 receptor agonist use in patients with chronic kidney disease and type 2 diabetes, 2012–2023: A US cohort study

December 2025
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