SOCI 217 Lecture Notes - Lecture 19: Multivariate Analysis, Spurious Relationship

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2 Jun 2018

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Week 10- multivariate analysis and social statistics

Logic of multivariate analysis

• Replication

• Specification

• Explanation

• Interpretation

the elaboration model

• zero order relationship

o relationship between two variables when no test variables are being controlled

for (that is, held constant)

• third variable is called the test or control variable

elaboration paradigm

• we must know whether test variable is antecedent (prior in time)

• if test variable is intervening

• same

• less or none

o need to when the variable comes, before or intervenes

replication

• whenever the partial relationships are essentially the same as the original relationship

• whether the test variable is antecedent or intervening

• supports the idea that original, zero order relationship is genuine

• consider the relationship between income and spending, if ethnicity is involved how

would it change?

o Expect to stay the same

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