Approaches to measuring crime

        1. Recognize how different approaches to measuring crime illustrate general principles of conceptualization, operationalization, and measurement. 2. Understand what crimes are included in different measures. 3. Describe different measures of crime and how they are based on different units of analysis. 4. Understand different purposes for collecting crime data. 5. Explain different measures based on crimes known to police. 6. Describe the main features of victim surveys. 7. Distinguish the main differences between crimes known to police and crimes measured through different types of surveys. 8. Understand why self-report measures are used, and list different types of crimes for which they are appropriate. 9. Summarize the major series of self-reported measures of drug use. 10. Understand how surveillance measures are obtained and used. 11. Explain how different measures of crime satisfy criteria for measurement quality. Recognize that we have different measures of crime because each measure is imperfect.