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Effects of NIBRS on Crime StatisticsCompares data from Federal Bureau of Investigation Summary Uniform Crime Reports and National Incident-Based Reporting System (NIBRS) for 1,131 agencies. Using data from 1991 to 1996, this study identifies which Index crime rates are most affected by NIBRS reporting and examines the extent to which rates change. The following underlying causes for these differences are investigated:
When comparing data from the same year for the jurisdictions in this study, NIBRS rates differ only slightly from Summary UCR -
7/00 NCJ 178890
Acrobat
file (197K) | ASCII
file (45K) Slide presentation of the results of this study presented at the NIBRS regional focus group meetings, Acrobat file (51K) |
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