Jason Szkola, Eric L. Piza and Grant Drawve (2019). Risk Terrain Modeling: Seasonality and Predictive Validity. Justice Quarterly, online: June 26, 2019. https://doi.org/10.1080/07418825.2019.1630472 This study focuses on crimes involving firearms in Baltimore, Maryland to answer three research questions concerning the effect of seasonality: (1) Do changes in the seasons affect which spatial factors are significantly [...]
Was the presence of the MAP initiative in some NYCHA developments associated with greater improvements in crime and victimization outcomes compared with the same outcomes in NYCHA developments not involved in MAP? The results presented here do not answer the question in full, but they offer an early look at efforts by the research team to generate more precise answers. Additional analyses are needed to rule out competing explanations and to examine the complex series of relationships among all the study’s variables. Based on the preliminary findings in this report, however, the results of MAP to date may be considered promising.
This second in a series of reports about the evaluation of the New York City Mayor’s Action Plan for Neighborhood Safety (MAP). This Evaluation Update: summarizes the goals and methods used to evaluate the Mayor’s Action Plan; describes the quasi-experimental design used to test the outcomes and impacts of MAP as well as the data sources assembled by the research team and how they are used; and portrays a logical framework the research team used initially to identify causal pathways through which various elements of MAP were intended to achieve their desired effect.
To evaluate the New York City Mayor's Action Plan for Neighborhood Safety (MAP), an initiative to improve the safety of public housing developments, researchers estimated the counterfactual (no intervention) by selecting a set of comparison housing developments not involved in the initiative. The study relied on the statistical method known as propensity score analysis (PSA) to select the comparison group.
Jeffrey A. Butts and Vincent Schiraldi Recidivism is not a robust measure of effectiveness for community corrections agencies. When used as the sole measure of effectiveness, recidivism misleads policymakers and the public, encourages inappropriate comparisons of dissimilar populations, and focuses policy on negative rather than positive outcomes. Policymakers who focus on recidivism as evidence of [...]