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NCJ Number: 218309 Find in a Library
Title: Simulation for Theory Testing and Experimentation: An Example Using Routine Activity Theory and Street Robbery
Journal: Journal of Quantitative Criminology  Volume:23  Issue:2  Dated:June 2007  Pages:75-103
Author(s): Elizabeth R. Groff
Date Published: June 2007
Page Count: 29
Sponsoring Agency: National Institute of Justice (NIJ)
Washington, DC 20531
Grant Number: 2005-IJ-CX-0015
Publisher: http://www.springer.com 
Type: Report (Study/Research) ; Test/Measurement
Format: Article
Language: English
Country: United States of America
Annotation: This paper presents simulation modeling as a method for portraying the dynamic space-time interaction of offenders, victims, and potential guardians; and it is demonstrated by applying routine-activity theory to street robbery.
Abstract: The findings from the example model of street robbery show support for the basic premise of routine activity theory, which is that crime rates will increase as time spent away from home increases. Although the absolute number of robberies fluctuated as parameters were changed, the relative relationship between increasing time spent away from home and the rate of street robberies remained significant. The building of the simulation model began with the identification of the most basic theoretical propositions of routine activity theory. The next step was to develop a conceptual diagram that captured both the essential constructs and how they were related to one another. The constructs and their relationships were then formalized so they could be coded in a computer program. There were two types of people in the model, civilians and police. Civilians had the roles of the three major elements of crime, i.e., offenders, targets (victims), and guardians (protectors). The fourth element, routine activity, was influenced by the amount of time an individual spent away from home and the network of streets available for travel. Once convergence occurred in space and time, factors such as guardianship and suitability of target were considered by the offender when making the decision about whether or not to commit a robbery. The model was built by using Agent Analyst software, which combines two of the most popular packages for agent-based modeling and geographic information systems. Although the model can be applied with any street network, the street network of Seattle, WA provided the basis for agent movement in the model. 6 tables, 4 figures, and 84 references
Main Term(s): Criminology
Index Term(s): Computer aided operations; Computer simulation; Crime analysis; Crime simulation; NIJ grant-related documents; Research methods; Robbery; Routine activity theory; Washington
To cite this abstract, use the following link:
http://www.ncjrs.gov/App/publications/abstract.aspx?ID=240009

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