Measuring Crime - Measuring Crime 8/27/11 Lecture 3 Click...

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8/27/11 Lecture Outline What is measurement? Levels of measurement A good measure should be? Official and unofficial data sources l The Uniform Crime Report l Victimization Data l Self-report
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8/27/11 What is measurement? Measurement: assigning numbers and/or values to events, behaviors, and/or objects The first steps of measurement: l Clarify the concept l Operationalize the concept/measuring the concept we intend to measure
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8/27/11 Levels of measurement 1. Nominal or categorical: § Examples: § Nationality: Canadian, British, American. § Gender: Male, Female § Occupation: Professor, Painter, Doctor
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8/27/11 Levels of measurement 1. Ordinal: Examples: Level of school: 1st year, 2nd year, 3rd year, 4th year In the past year about how often did you use illegal drugs: did not use, once, twice, three times Level of gun violence: low,
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Levels of measurement 3. Interval: Distance or range
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Measuring Crime - Measuring Crime 8/27/11 Lecture 3 Click...

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