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Campbell systematic reviews
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The effects of problem-oriented policing on crime and disorder
- Authors: David Weisburd, John E. Eck, Joshua C. Hinkle, Cody Telep
- Current phase: Crime and Justice
- Published date: 2008-03-11
- Coordinating group(s): Crime and Justice
- Type of document: Protocol, Review, User abstract, Plain language summary
- Volume: 4
- PLS Title: Problem-oriented policing has a modest impact on crime and disorder
- PLS Logo:
- PLS Description: Problem-oriented policing (POP) focuses police work on ‘problems’ as opposed to calls or crime incidents and it requires police to proactively develop response to crime and disorder problems based on a careful analysis of contributing factors. The approach has had a tremendous impact on American policing and is now widely implemented in the US and other countries. The classic implementation of POP follows the ‘SARA’ model of problem-solving (Scanning, Analysis, Response, Assessment). This review assesses the effects of problem- oriented policing on crime and disorder based on the existing evaluation literature.
- Title: The effects of problem-oriented policing on crime and disorder
- Spanish PLS: La vigilancia orientada a problemas tiene un impacto modesto en el crimen y el desorden
- Spanish PLS Description: La vigilancia orientada a problemas (POP) enfoca el trabajo de la policía en 'problemas' en oposición a llamadas o incidentes criminales y requiere que la policía desarrolle de manera proactiva la respuesta a problemas delictivos y desorden basados en un análisis cuidadoso de factores contribuyentes. El enfoque ha tenido un tremendo impacto en la vigilancia estadounidense y ahora se implementa ampliamente en los EE. UU. Y otros países. La implementación clásica de POP sigue el modelo 'SARA' de resolución de problemas (Escaneo, Análisis, Respuesta, Evaluación). Esta revisión evalúa los efectos de la vigilancia orientada a los problemas en el crimen y el desorden basados en la literatura de evaluación existente.
- Norwegian PLS: Problemorientert politi har en beskjeden innvirkning på kriminalitet og lidelse
- Norwegian PLS Description: Problem-orientert politisering (POP) fokuserer politiet på "problemer" i motsetning til samtaler eller kriminalitetshendelser, og det krever at politiet proaktivt utvikler respons på kriminal- og lidelsesproblemer basert på en nøye analyse av bidragende faktorer. Tilnærmingen har hatt en enorm innvirkning på amerikansk politi og er nå vidt implementert i USA og andre land. Den klassiske implementeringen av POP følger SARA-modellen for problemløsing (skanning, analyse, respons, vurdering). Denne vurderingen vurderer effektene av problemorientert politi på kriminalitet og lidelse basert på eksisterende evalueringslitteratur.
- French PLS: La police axée sur les problèmes a un impact modeste sur la criminalité et le désordre
- French PLS Description: Les services de police axés sur les problèmes (PPP) axent le travail policier sur les «problèmes» plutôt que sur les appels ou les incidents criminels et exigent que la police développe proactivement des réponses aux problèmes de criminalité et de désordre en analysant soigneusement les facteurs contributifs. Cette approche a eu un impact considérable sur les services de police américains et est maintenant largement appliquée aux États-Unis et dans d'autres pays. La mise en œuvre classique de POP suit le modèle de résolution de problèmes «SARA» (Scanning, Analysis, Response, Assessment). Cet examen évalue les effets des services de police axés sur les problèmes en matière de criminalité et de désordre en se fondant sur les documents d'évaluation existants.
About this systematic review
This Campbell systematic review assesses the effects of problem-oriented policing on crime and disorder based on the existing research. The review summarises findings from 10 studies from eight American cities and six residential areas in the UK. The participants were probationers, parolees and residents of these cities and areas.
What are the main results?
Problem-oriented policing has a statistically significant impact on reducing crime and disorder, but the effect size was small, and there was a lack of diversity and responses in the included studies. The results were similar for both the randomized and quasi-randomized studies.
The evidence base is small and there are shortcomings in the quality of the evidence.
Problem-oriented policing (POP) was first introduced by Herman Goldstein in 1979. The approach was one of a series of responses to a crisis in effectiveness and legitimacy in policing that emerged in the 1970s and 1980s. Goldstein argued that police were not being effective in preventing and controlling crime because they had become too focused on the "means" of policing and had neglected the "goals" of preventing and controlling crime and other community problems. Goldstein argued that the unit of analysis in policing must become the "problem" rather than calls or crime incidents as was the case during that period. POP has had tremendous impact on American policing, and is now one of the most widely implemented policing strategies in the US.
To synthesize the extant problem-oriented policing evaluation literature and assess the effects of problem-oriented policing on crime and disorder.
Eligible studies had to meet three criteria: (1) the SARA model was used for a problem-oriented policing intervention; (2) a comparison group was included; (3) at least one crime or disorder outcome was reported with sufficient data to generate an effect size. The unit of analysis could be people or places.
Several strategies were used to perform an exhaustive search for literature fitting the eligibility criteria. First, a keyword search was performed on an array of online abstract databases. Second, we reviewed the bibliographies of past reviews of problem-oriented policing. Third, we performed forward searches for works that have cited seminal problem-oriented policing studies. Fourth, we performed hand searches of leading journals in the field. Fifth, we searched the publications of several research and professional agencies. Sixth, after finishing the above searches we e-mailed the list of studies meeting our eligibility criteria to leading policing scholars knowledgeable in the area of problem-oriented policing to ensure we had not missed any relevant studies.
Data collection and analysis
For our 10 eligible studies, we provide both a narrative review of effectiveness and a meta-analysis. For the meta-analysis, we coded all primary outcomes of the eligible studies and we report the mean effect size (for studies with more than one primary outcome, we averaged effects to create a mean), the largest effect, and the smallest effect. Because of the heterogeneity of our studies, we used a random effects model.
Based on our meta-analysis, overall problem-oriented policing has a modest but statistically significant impact on reducing crime and disorder. Our results are consistent when examining both experimental and quasi-experimental studies.
We conclude that problem-oriented policing is effective in reducing crime and disorder, although the effect is fairly modest. We urge caution in interpreting these results because of the small number of methodologically rigorous studies on POP and the diversity of problems and responses used in our eligible studies.