CRCJ 1000 Lecture Notes - Lecture 4: Victimless Crime, Operational Definition, Sample Size Determination
30 Jan 2017
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Document Summary
Three dominant ways to count crime or describe crime patterns & trends: official (police-reported) statistics, victimization surveys, self-report studies. Data collected by law enforcement agencies (police) regarding crimes known by the police to have taken place: only been about 50 years we"ve been collecting statistics on a national level. Police = required by law to submit statistics to stats canada. Goal: to provide uniform & comparable national statistics: geography & time. Two versions: ucr aggregate (ucr 1. 0) survey: collects summary data for 100 separate criminal offences. About incidents reported & substantiated by police. Includes information about the number of reported offences, the number of verified offences, offences that have been cleared & some data on the person charged. Provides general information: ucr incident-based (ucr 2. 0) survey: collects more detailed information on each incident, victims & accused. More specific to the actual incidents that happen. Ucr aggregate data presented as crime rate.
