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SOCI 217 (66)
Lecture

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Department
Sociology
Course
SOCI 217
Professor
Amin Ghaziani
Semester
Winter

Description
[INDEXES] SCALE INDEX [SIMILARITIES] - Composite measures: measure many aspects - Rank-order people: can assess intensity of variable - Enable data reduction: export many aspects into a single numerical score [DIFFERENCES] [DIFFERENCES] - Measures intensity/Hierarchical - Measures aggregate scores scores [INDEX CONSTRUCTION – 4 STEPS] 1) Item Selection:  Face validity – logical sense  Unidimensionality – emphasizes only on one aspect  General or specific  Variance – capture differences across people 2) Empirical relationships: too strong means redundant, if not related then that means they don’t measure the same thing
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