How and Why is Crime More Concentrated in Some Neighborhoods than Others?: A New Dimension to Community Crime
ConclusionsThe extent to which crime concentrates represents an underexamined aspect of how crime manifests in each community. It is driven in part by the diversity of places in the neighborhood, but also can be influenced by neighborhood-level processes. Future work should continue to probe the sources and consequences of these variations. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - June 1, 2022 Category: Criminology Source Type: research

The Effect of a Death-in-Police-Custody Incident on Community Reliance on the Police
ConclusionsDespite a divisive death-in-police-custody incident, citizens were still willing to enlist police assistance. More broadly, the caretaking role of the police may be an important mechanism to strengthen community –police relations, particularly in marginalized neighborhoods vulnerable to strained community–police relations. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - June 1, 2022 Category: Criminology Source Type: research

Forecasting the Severity of Mass Public Shootings in the United States
ConclusionsOur results suggest an uncertain, but concerning, future risk of large-scale mass public shootings, while also illustrating how such forecasts depend on assumptions made about the tail location and other details of the severity distribution model. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - June 1, 2022 Category: Criminology Source Type: research

The Relative Incident Rate Ratio Effect Size for Count-Based Impact Evaluations: When an Odds Ratio is Not an Odds Ratio
AbstractArea-based prevention studies often produce results that can be represented in a 2-by-2 table of counts. For example, a table may show the crime counts during a 12-month period prior to the intervention compared to a 12-month period during the intervention for a treatment and control area or areas. Studies of this type have used either Cohen ’sd or the odds ratio as an effect size index. The former is unsuitable and the latter is a misnomer when used on data of this type. Based on the quasi-Poisson regression model, an incident rate ratio and relative incident rate ratio effect size and associated overdispersion ...
Source: Journal of Quantitative Criminology - June 1, 2022 Category: Criminology Source Type: research

Correction to: Forecasting the Severity of Mass Public Shootings in the United States
A correction to this paper has been published: https://doi.org/10.1007/s10940-021-09511-y (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - June 1, 2022 Category: Criminology Source Type: research

When Things Turn Sour: A Network Event Study of Organized Crime Violence
ConclusionsRelational effects on victimization are consistently stronger than the effects of individual characteristics. Therefore, from a policy perspective, we believe that relational red flags (or risk factors) should play a more central role. A focus on harassment could be valuable in the development of an early intervention strategy. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - April 12, 2022 Category: Criminology Source Type: research

Absence of Street Lighting May Prevent Vehicle Crime, but Spatial and Temporal Displacement Remains a Concern
ConclusionTheft from vehicle offenses reduced in streets where street lighting was switched off at midnight but may have been displaced to better-lit adjacent streets. Relative to daytime, night-time theft from vehicle offenses reduced in streets with dimming while theft from vehicles at all times of the day increased, thus suggesting temporal displacement. These findings suggest that the absence of street lighting may prevent theft from vehicles, but there is a danger of offenses being temporally or spatially displaced. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 30, 2022 Category: Criminology Source Type: research

The Emergence and Evolution of Problematic Properties: Onset, Persistence, Aggravation, and Desistance
ConclusionsThe results offer insights for further research and practice attentive to trends of crime and disorder at problematic properties. It especially speaks to the understanding of stability and change; the role of different types of disorder; and the toolkit needed for problem properties interventions. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 30, 2022 Category: Criminology Source Type: research

Absence of Street Lighting May Prevent Vehicle Crime, but Spatial and Temporal Displacement Remains a Concern
ConclusionTheft from vehicle offenses reduced in streets where street lighting was switched off at midnight but may have been displaced to better-lit adjacent streets. Relative to daytime, night-time theft from vehicle offenses reduced in streets with dimming while theft from vehicles at all times of the day increased, thus suggesting temporal displacement. These findings suggest that the absence of street lighting may prevent theft from vehicles, but there is a danger of offenses being temporally or spatially displaced. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 30, 2022 Category: Criminology Source Type: research

The Emergence and Evolution of Problematic Properties: Onset, Persistence, Aggravation, and Desistance
ConclusionsThe results offer insights for further research and practice attentive to trends of crime and disorder at problematic properties. It especially speaks to the understanding of stability and change; the role of different types of disorder; and the toolkit needed for problem properties interventions. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 30, 2022 Category: Criminology Source Type: research

Understanding How Offending Prevalence and Frequency Change with Age in the Cambridge Study in Delinquent Development Using Bayesian Statistical Models
ConclusionsOur methodology provides a quantified understanding of the effects of risk factors on age-crime curves. Our visualizations allow these to be easily presented and interpreted. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 29, 2022 Category: Criminology Source Type: research

In Pursuit of Interpretable, Fair and Accurate Machine Learning for Criminal Recidivism Prediction
ConclusionsInterpretable ML models can perform just as well as non-interpretable methods and currently-used risk assessment scales, in terms of both prediction accuracy and fairness. ML models might be more accurate when trained separately for distinct locations and kept up-to-date. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 28, 2022 Category: Criminology Source Type: research

Visualizing Changes in the Age-Distributions of Homicides in the United States: 1964 –2019
ConclusionsResearchers can learn much about important areas in criminology by examining the relationship between age and homicide offending using simple visualizations based on raw data and pursue what they learn using line graphs based on elementary statistics and simple statistical methods. Of course, complicated statistical methods are called for in many situations. (Source: Journal of Quantitative Criminology)
Source: Journal of Quantitative Criminology - March 16, 2022 Category: Criminology Source Type: research