Comm research - oct. 12

Comm research - oct. 12 - 10/12 Review: levels of...

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10/12 Review: levels of measurement 1. Nominal: naming’ unordered categories a. Country of origin? 1. U.S. 2. Canada 3. Mexico b. Boxing fan? 1. Yes 2. No 2. Ordinal: relative ranking among categories a. Distance between scale points not known 3. Interval: known distance between scale points; but no absolute zero a. Example: IQ tests 4. Ratio: interval scale with absolute zero Scale Properties Precision Nominal Naming (N)… Unordered category Least Ordinal N+ Ordering/ranking (O) Relative ranking among response categories; distance between scale points not known Interval N + O + Equal interval (E) Ordered scale with known distance Ratio N + O + E + Absolute Zero Interval scale + absolute zero Most Levels of measurement and statistics Certain level of measurement are associated with certain statistics o Ex: averages Age; time in U.S ( ) Country of origin; race (X) Review Do you frequently listen to music? Y/N o Nominal Approximately how many hours per week do you listen to music?
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This note was uploaded on 02/16/2012 for the course COMM 04:192:300 taught by Professor Katz during the Fall '11 term at Rutgers.

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Comm research - oct. 12 - 10/12 Review: levels of...

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