Juvenile Single Segment Analysis
Research Question 2: What types of offenses are reported in both juvenile and adult multiple offender incidents?
The data source for this research question is the 1996 NIBRS hierarchical data file. There were 1,487 agencies in nine states reporting during 1996. The file used for the analysis is an incident-level aggregated flat file, created by combining multiple segments of data. (See Creating an Incident-Level Aggregate Flat File for a detailed explanation of this process.) Variables from the following segments were used: administrative, victim, offender, offense, arrest, and property. Although these six segments were used, not all variables from all segments were needed for this analysis.
For this research question, only incidents that involved multiple offenders were used. A filter was created to select the multiple offender incidents. A variable was created for the most serious offense group whereby the most serious offense reported for the incident was grouped into one of three categories: person, property, or other. The method of analysis is a three by two cross-tabulation showing counts and percentages.
The results show that almost half (48.2%) of the juvenile multiple offender incidents involved a Part I index property crime as the most serious offense reported and only 9.2% of the juvenile multiple offender incidents involved a violent offense. In contrast, 30.1% of the adult multiple offender incidents involved a property crime and 17.1% of the adult multiple offender incidents involved a violent crime. So, multiple offender incidents committed by juveniles are not more likely than adult multiple offender incidents to be violent crime incidents.
Additional analyses of this data file might explore in more detail the juvenile multiple
offender incidents that involve Part I index property offenses.
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