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Chapter 5 Lecture

Chapter 5 Lecture - Chapter 5 Scales and Indexes Copyright...

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Copyright Atomic Dog Publishing, 2005 Chapter 5 Scales and Indexes
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Copyright Atomic Dog Publishing, 2005 Indexes A quantitative score constructed by applying a set of rules to combine two or more variables in order to reflect a more general construct Consumer Price Index Socioeconomic Status Index Duncan Socioeconomic Index (Duncan, 1981)
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Copyright Atomic Dog Publishing, 2005 Constructing an Index Conceptualization Operationalization and measurement Development of rules for calculating the score Includes decisions about item “weighting” Validation of the index score
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Copyright Atomic Dog Publishing, 2005 Scaling Construction of a measure based on associating qualitative judgments about a construct with quantitative metric units Typically yields a single numerical score that represents the construct of interest Is a process; not the same as a response scale
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Copyright Atomic Dog Publishing, 2005 What Is a Scale? The assignment... The assignment... ...of objects... ...of objects... ...to numbers... ...to numbers... ...according to a rule... ...according to a rule... Are you willing to permit Are you willing to permit immigrants to live in your immigrants to live in your country? country? Are you willing to permit Are you willing to permit immigrants to live in your immigrants to live in your neighborhood? neighborhood? Would you let your child Would you let your child marry an immigrant? marry an immigrant?
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Copyright Atomic Dog Publishing, 2005 General Issues in Scaling Purpose Is the construct or concept a single dimensional one?
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