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Crime and criminological data can be gathered, interpreted, and represented in different ways. The use of “big data” in criminology has helped illuminate the efficacy of various prevention or intervention policies and programs, as well as helping to better allocate resources for criminal justice. In the United States, the main data sources include the Uniform Crime Reporting (UCR) from the Federal Bureau of Investigation (FBI). The UCR is subdivided into the National Incident-Based Reporting System (NIBRS), the Summary Reporting System (SRS), the Law Enforcement Officers Killed and Assaulted (LEOKA) Program, and the Hate Crime Statistics Program, each of which track specific types of crime data (FBI, 2018). Another major crime data system used in the United States is the Bureau of Justice Statistics (BJS) National Crime Victimization Survey (NCVS). A similar tool has been used on an international scale with the United Nations Interregional Crime and Justice Research Institute (UNICRI) International Crime Victims Survey (ICVS). Finally, the United Nations Office on Drugs and Crime (UNODC) operates the United Nations Surveys on Crime Trends and the Operations of Criminal Justice Systems (UN-CTS).
The UCR and the UN-CTS are similar in that they track reported crimes. Tracking...
It also requires that all participating law enforcement agencies use the same definitions for those crimes and report instances of those crimes in the same way. Because law enforcement agencies have a large degree of discretion when it comes to reporting crimes, let alone prosecuting them, the data collected by the UCR and the UN-CTS may not always be as reliable as it seems.
Similarly, systems that track victim reports such as the NCVS and the ICVS are designed to capture totally different data that do rely on standardized definitions of crimes and perceptions of safety or victimization. Because of the pervasiveness of stigma and the problems that marginalized communities or individuals face when reporting crimes to their local law enforcement agencies, information systems that focus on victimization like the NCVS and the ICVS can provide data as accurate, if not more so, than the UCR and the UN-CTS. Still, victimization surveys do not take into account the full gamut of crimes as reported by official law enforcement sources, making it critical to use multiple types of big data in criminology research.
All four of these major crime databases offer helpful and clear information. When…
data collection includes survey form, structured interviews using closed ended questions, and gathering information regarding a sample size appropriate to analyze and draw conclusion on the basis of the research results. The statistical techniques are used for data analysis to analyze collected data in quantitative research methods. The qualitative data is gathered through case study method and open ended question of an unstructured interview from notable sample. The qualitative
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