Methoden vergelijken
Bekijk de geselecteerde methoden naast elkaar; rijen die verschillen zijn gemarkeerd.
| Crime Displacement and Diffusion Analysis× | Crime Hot Spot Analysis× | |
|---|---|---|
| Vakgebied | Criminology | Criminology |
| Familie | Process / pipeline | Process / pipeline |
| Jaar van ontstaan≠ | 2003 | 1995 |
| Grondlegger≠ | Kate Bowers & Shane Johnson | Lawrence Sherman & David Weisburd (policing); Arthur Getis & J. Keith Ord (statistic) |
| Type≠ | Quasi-experimental spatial impact assessment of crime prevention | Spatial cluster detection for crime concentration |
| Oorspronkelijke bron≠ | Bowers, K. J., & Johnson, S. D. (2003). Measuring the geographical displacement and diffusion of benefit effects of crime prevention activity. Journal of Quantitative Criminology, 19(3), 275–301. DOI ↗ | Sherman, L. W., & Weisburd, D. (1995). General deterrent effects of police patrol in crime "hot spots": A randomized, controlled trial. Justice Quarterly, 12(4), 625–648. DOI ↗ |
| Aliassen | Crime Displacement Analysis, Diffusion of Benefits Analysis, Weighted Displacement Quotient, WDQ Analysis | Hot Spot Mapping, Crime Hotspot Detection, Getis-Ord Gi* Crime Analysis, Spatial Cluster Analysis of Crime |
| Verwant | 4 | 4 |
| Samenvatting≠ | Displacement and diffusion analysis evaluates what happens around a crime-prevention intervention: does crime simply move to nearby areas, times, or targets (displacement), or do the benefits spill over so that crime also falls in surrounding untreated areas (diffusion of benefits)? Bowers and Johnson's weighted displacement quotient (WDQ) provides a simple, widely used metric that compares pre/post crime change in a target area, a surrounding buffer, and a control area. | Crime hot spot analysis identifies the places where crime concentrates far more than chance — the small number of street segments, blocks, or addresses that account for a large share of incidents. Building on Sherman and Weisburd's landmark demonstration that crime clusters tightly in space and that patrolling those clusters deters offending, the method uses spatial statistics such as the Getis-Ord Gi* local statistic to separate genuine, statistically significant clusters from random noise and to classify each place as a hot spot, a cold spot, or neither. |
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