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A simulation model of pretrial felony case processing: A queuing system analysis
Case processing tends to be examined with data analysis or evaluation designs. Both limit our understanding of how case processing as a whole operates and how its parts relate to each other. This article suggests queue simulation modeling as a method for dealing with these issues. We report here the initial development and analysis of a queuing model of arraignment to trial assignment. Conceptualizing on the basis of court functions and empirical findings, rather than institutional structures, we conceive a five-stage pretrial process. Using case-level, rather than system-level data, we construct a single-server, multiphase queuing model and use the model to simulate the behavior of a pretrial case processing system. Simulations show the strong impact of the final phase (trial assignment) on the entire system and that most of this impact is delay rather than service. The system is then analyzed using a factorial design that systematically alters model parameters thought to be important determinants of performance. Simulations are run for each possibility in the design, and analysis of variance is used to examine results. Analysis confirms prior results concerning final phase impact and points specifically to the import of phase capacity and exit rate. The utility of modeling is considered by suggesting some policy implications of the results for judicial staffing and behavior
Um mundo novo no Atlùntico: marinheiros e ritos de passagem na linha do equador, séculos XV-XX
Osmolyte Adjustments as a Pressure Adaptation in Deep-Sea Chondrichthyan Fishes: An Intraspecific Test in Arctic Skates ( Amblyraja hyperborea
Stages of condom use in a high HIV-risk sample
The goals were to (1) clarify high risk individuals into one of five stages of readiness for consistent condom use based on the Transtheoretical Model of behavior change (e.g., Prochaska, Norcross and DiClemente, 1994); (2) investigate whether frequency of condom use was different for vaginal vs. anal sex, and for steady vs. other partners; and (3) explore whether condom use was related to several demographic variables. Street interviews were conducted in six major geographic areas across the United States on a diverse sample of 345 individuals engaging in high HIV-risk behaviors. Percentages of individuals found in each of five stages of condom use were: 36% Precontemplators, 15% Contemplators, 7% in Preparation, 7% in Action, and 35% in Maintenance. Individuals used condoms more with other, casual partners than with a steady partner, and slightly more when engaging in anal sex rather than vaginal sex. Condoms were also used more by: men, Caucasians, non-heterosexuals, and those who were not in a steady relationship than by others not in these categories. Still, the majority of high-risk individuals were not using condoms and were not prepared to start. This presents an urgent need for effective interventions to encourage condom use