Production of Crime Statistics. Measuring Crime Statistics Chapter 3. When attempting to understand, predict, and control any social problem, including the crime problem, the first step is to determine its extent. Three categories of major crime data sources in the United States:
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Measuring Crime Statistics
Three categories of major crime data sources in the United States:
Victimization survey data
Self-reported dataCategorizing and Measuring Crime and Criminal Behavior
Uniform Crime Reports (UCR) - collected by local police departments and forwarded to the FBI.
– good or bad?
- NIBRS - “new” – what is it? – good or bad?
National Crime Victimization Surveys (NCVS) - conducted jointly by the U.S. Census Bureau and the U.S. Department of Justice.
- good or bad
Self-Report Data (SRD) - conducted by independent researchers.
- good or bad?
Motor vehicle theft
Part I offenses include those illegal acts considered to be particularly serious that “occur with sufficient frequency to provide an adequate basis for comparison” (U.S. Department of Justice, 1980:3)
Part II (Non-Index Crimes)
Part II offenses include most other crimes not itemized in Part I. Twenty specific crimes and a catchall “other” category are in this section, including other assaults, embezzlement, vandalism, sex offenses, drunkenness, and status offenses. (reporting only includes cries that are cleared by an arrest)Description of theUniform Crime Reports
Every 32.6 minutes: One Murder
Every 5.6 minutes: One Forcible Rape
Every 1.3 minutes: One Robbery
Every 36.9 seconds: One Aggravated Assault
Every 3.1 seconds: One Property Crime
Every 14.7 seconds: One Burglary
Every 4.5 seconds: One Larceny-theft
Every 25.5 seconds: One Motor Vehicle Theft
Figure 1. The FBI's Crime Clock
Self-Report Studies – been instrumental in explaining etiology delinquency. Primary target population is juveniles.
The National Crime Victimization Survey (NCVS) (pg. 114)- http://www.icpsr.umich.edu/NACJD/NCVS/